CriticalCVE-2026-20079

    Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability (CVE-2026-20079)

    Published Last modified In CISA KEV since Sources: CVE.org, pwn.watch, Cisco PSIRT, SingCERT, BSI

    What is affected, what to do

    This vulnerability is an authentication bypass (CWE-288) in Cisco Secure Firewall Management Center that allows an unauthenticated remote attacker to gain complete control over the system with no user interaction required. The scope is changed, meaning a successful exploit can impact resources beyond the vulnerable component itself, making this a critical risk for any network relying on the affected product for firewall management. Active exploitation in the wild is confirmed, and CISA has added this to the KEV catalog, indicating real-world attacks are underway. Organizations running affected versions of Cisco Secure Firewall Management Center must treat patching as an immediate operational priority given the central role this product plays in network security infrastructure.

    The vulnerability is being actively exploited; treat it as a priority. The available sources name no fixed version. Check the vendor guidance in the references below. Immediate actions, mitigation and detection rules are in the runbook below.

    Affected
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.0..7.0.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.0.1..7.0.0.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.1..7.0.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.1.0..7.1.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.1.1..7.0.1.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.1.0.1..7.1.0.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.2..7.0.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.0..7.2.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.2.1..7.0.2.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.3..7.0.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.1.0.2..7.1.0.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.0.1..7.2.0.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.4..7.0.4
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.1..7.2.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.5..7.0.5
    • Cisco Secure Firewall Management Center (FMC) eq 7.3.0..7.3.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.2..7.2.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.3.1..7.3.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.3..7.2.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.1.0.3..7.1.0.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.3.1..7.2.3.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.4..7.2.4
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.6..7.0.6
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.4.1..7.2.4.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.5..7.2.5
    • Cisco Secure Firewall Management Center (FMC) eq 7.3.1.1..7.3.1.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.0..7.4.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.6.1..7.0.6.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.5.1..7.2.5.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.1..7.4.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.6..7.2.6
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.1.1..7.4.1.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.6.2..7.0.6.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.7..7.2.7
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.5.2..7.2.5.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.3.1.2..7.3.1.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.8..7.2.8
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.0..7.6.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.2..7.4.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.8.1..7.2.8.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.6.3..7.0.6.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.2.1..7.4.2.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.9..7.2.9
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.7..7.0.7
    • Cisco Secure Firewall Management Center (FMC) eq 7.7.0..7.7.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.2.2..7.4.2.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.10..7.2.10
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.1..7.6.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.2.3..7.4.2.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.8..7.0.8
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.2..7.6.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.7.10..7.7.10
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.10.1..7.2.10.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.8.1..7.0.8.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.2.1..7.6.2.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.10.2..7.2.10.2
    • Cisco Secure Firewall Management Center (FMC) eq 7.7.10.1..7.7.10.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.2.4..7.4.2.4
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.3..7.4.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.3..7.6.3
    • Cisco Secure Firewall Management Center (FMC) eq 7.7.11..7.7.11
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.4..7.6.4
    • Cisco Secure Firewall Management Center (FMC) eq 10.0.0..10.0.0
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.4..7.4.4
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.5..7.4.5
    • Cisco Secure Firewall Management Center (FMC) eq 7.0.9..7.0.9
    • Cisco Secure Firewall Management Center (FMC) eq 7.2.11..7.2.11
    • Cisco Secure Firewall Management Center (FMC) eq 7.7.12..7.7.12
    • Cisco Secure Firewall Management Center (FMC) eq 7.6.5..7.6.5
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.6..7.4.6
    • Cisco Secure Firewall Management Center (FMC) eq 10.0.1..10.0.1
    • Cisco Secure Firewall Management Center (FMC) eq 7.4.7..7.4.7

    Not sure whether and how you are affected? Ask a question about this vulnerability

    Metrics

    10.0

    Priority

    XIEM Effective CVSS: highest available CVSS rating from NVD and vendor data.

    Source: NVD, CVSS v3

    10.0

    CVSS v3

    Severity Critical on the scale from 0 to 10.

    Source: CVE.org, pwn.watch, Cisco PSIRT, SingCERT, BSI

    88.5 %

    EPSS score

    High — model estimates ≥ 50% chance of real-world exploitation within 30 days.

    Source: FIRST EPSS, percentile 99.77

    Show all metrics
    Severity
    Critical
    Priority (0–325)

    The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first?

    Read in glossary
    244.56 Methodology
    Exploit maturity

    An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack.

    Read in glossary
    actively exploitedSource: VulnCheck KEV (opens in a new tab) How we classify
    XIEM Effective CVSS

    XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command.

    Read in glossary
    10.0 Methodology
    CVSS v3

    CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions.

    Read in glossary
    10.0
    EPSS score

    The EPSS score is the absolute model output for an individual vulnerability: the estimated probability of real-world exploitation within the next 30 days, expressed as a value between 0 and 1 (i.e. 0 % to 100 %). A score of 0.42 means „the model estimates a 42 % chance of real-world exploitation within 30 days“.

    Read in glossary
    88.5 %
    High — model estimates ≥ 50% chance of real-world exploitation within 30 days.
    EPSS percentile

    The EPSS percentile is the relative position of a vulnerability within all EPSS-scored CVEs, expressed as a value between 0 and 1. A percentile of 0.90 means „this CVE has a higher EPSS score than 90 % of all other scored CVEs“. Unlike the EPSS score, it is not a probability — but a positioning within a ranking.

    Read in glossary
    99.77
    Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).
    KEV status

    The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.

    Read in glossary
    Actively exploited
    Published
    In CISA KEV since

    The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching.

    Read in glossary
    CWE

    CWE is a catalogue of typical weakness types in software and hardware — such as flawed input validation, unsafe memory handling or poor authentication. Where a CVE names a concrete vulnerability in a concrete product, a CWE describes the underlying class of defect.

    Read in glossary
    CWE-288

    Response and mitigation

    Why act now?

    Prioritisation rationale

    This flaw is network-reachable without authentication or user interaction, crosses the component boundary and yields root directly — placing it among the CVEs most likely to be exploited. A compromised FMC is the control plane of the entire firewall estate: attackers can quietly weaken policy, harvest credentials and gain durable perimeter persistence, making it attractive to both state-aligned and criminal operators. CISA does not currently flag known ransomware use, but that barely lowers urgency. Treat any FMC whose web UI is reachable from user or internet-facing networks as a P1 emergency (remediate within 24 h); strictly isolated instances should still be patched and triaged in the next emergency maintenance window, and NIS2 entities should assess reporting obligations if indicators of compromise are found.

    1. Runbook step 1

      Immediate response (0-24 h)

      • Patch: Fixed Cisco Secure Firewall Management Center (FMC) software is available from the vendor — look up the fixed release in the Cisco Security Advisory for CVE-2026-20079 and verify your train with the Cisco Software Checker. For Security Cloud Control (SCC) Firewall Management, confirm in the advisory whether Cisco remediates server-side or customer action is required.
      • Lock down the web interface now: Restrict access to the FMC management UI (HTTPS, TCP/443 by default) to a dedicated admin network or jump-host allowlist. Kill any exposure to the internet or user VLANs immediately.
      • Triage for compromise before patching: Root access persists across upgrades. Collect troubleshoot files and logs (audit log, web server logs, syslog) first and hunt for unknown scripts, cron jobs, SSH keys and local users. If compromise is suspected, prefer a reimage per Cisco guidance over an in-place upgrade.
      • Rotate credentials: Treat all local FMC accounts (including admin), API users, LDAP/RADIUS bind accounts, secrets stored in FMC (VPN PSKs, certificate private keys, integration tokens) and FTD registration keys as compromised and replace them.
      • Verify managed firewalls: FMC pushes policy to every attached Firewall Threat Defense (FTD) device — review deployment history for unexpected changes (new allow rules, NAT exemptions, disabled intrusion policies, altered VPN config).

    2. Runbook step 2

      Mitigation layers

      • Network segmentation: Place FMC in an isolated management segment. Inbound, allow only TCP/443 (and TCP/22 if needed) from named admin hosts; permit the FTD channel (sftunnel, TCP/8305 by default) strictly between FMC and registered sensors.
      • Egress filtering: Limit FMC outbound traffic to operationally required destinations (Cisco update/licensing, NTP, syslog, LDAP). Block and log everything else — this breaks reverse shells and tool staging after exploitation.
      • Front-door access control: Where feasible, only expose the web UI via MFA-protected VPN or an authenticating reverse proxy / PAM jump host, so unauthenticated HTTP requests never reach the appliance.
      • IPS signatures: Enable vendor Snort/Talos signatures for CVE-2026-20079 on upstream IPS where available — check the Talos advisory for the SID. Do not rely solely on sensors managed by the very FMC you are protecting.
      • Hardening & least privilege: Disable unused admin accounts, scope REST API access to named integration users, enforce external auth with MFA, and keep configuration backups offline/immutable.

    3. Runbook step 3

      Detection rules

      • Web/proxy logs: HTTP requests to the FMC UI from sources outside the admin allowlist, especially successful (HTTP 200) responses to unusual paths with no preceding login. SPL sketch: index=netfw dest_ip=<FMC_IP> dest_port=443 NOT src_ip IN (<ADMIN_NETS>) | stats count by src_ip, uri_path.
      • Zeek/Suricata telemetry: New outbound connections from FMC to unknown external hosts, particularly long-lived sessions or odd ports (reverse-shell pattern). Zeek sketch: conn.log where id.orig_h == <FMC_IP> and id.resp_h not in egress allowlist.
      • FMC audit log/syslog (forward to SIEM): New local users, role changes, policy deployments outside approved change windows, changes to logging/syslog settings, and gaps in the log stream (possible tampering).
      • Host artefacts (forensic review): Shells or tooling (sh, bash, python, curl, wget, nc) spawned by web/application processes, new files in temp directories, modified authorized_keys or crontabs. Sigma shape: ParentImage|endswith: httpd/java AND Image|endswith: [/sh, /bash, /curl, /wget].
      • Downstream FTD impact: Correlate sudden traffic-pattern changes on managed firewalls (newly permitted inbound flows, vanishing intrusion events) with FMC deployment history.

    Detection rules

    No NEOSEC detection rule is available for this vulnerability yet.

    Classification under NIS2 and CRA

    Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.

    NIS2

    NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management.

    Read in glossary
    Actively exploited: treat the vulnerability as a priority in vulnerability handling under Art. 21(2)(e) NIS2. If it is exploited in your environment, check the reporting obligation under Art. 23 (early warning within 24 hours).
    CRA

    The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates.

    Read in glossary
    Since 11.09.2026, manufacturers of affected products with digital elements must report actively exploited vulnerabilities under Art. 14 CRA, with an early warning within 24 hours via ENISA's single reporting platform.
    ISO/IEC 27001

    ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security.

    Read in glossary
    Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.

    Description

    A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system.&nbsp; This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow&nbsp;root access to the device.&nbsp;

    Source: NVD (NIST), CISA KEV Catalog, pwn.watch, cvelistv5, cisco_csaf, CSA/SingCERT, BSI WID Portal, BSI CSAF

    Affected products

    The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

    Affected products
    Affected versionsFixed in
    CiscoCisco Secure Firewall Management Center (FMC)
    • 7.0.1
    • 7.2.0
    • 7.4.1.1
    • 7.2.11
    • 7.2.10.2
    • 7.4.2.4
    • 7.4.7
    • 7.4.2.3
    • 7.2.2
    • 7.6.0
    • 7.3.0
    • 7.1.0
    • 7.4.2.1
    • 7.2.5
    • 7.0.6
    • 7.4.0
    • 7.0.2
    • 7.1.0.1
    • 7.0.5
    • 7.6.2
    • 7.0.6.1
    • 10.0.1
    • 7.4.5
    • 7.2.8.1
    • 7.3.1.1
    • 7.3.1
    • 7.0.6.2
    • 7.0.4
    • 7.6.4
    • 7.3.1.2
    • 7.2.7
    • 7.0.1.1
    • 7.6.1
    • 7.2.10.1
    • 7.2.4
    • 7.1.0.3
    • 7.0.3
    • 7.2.1
    • 7.0.9
    • 7.6.3
    • 7.2.6
    • 7.2.8
    • 7.0.0.1
    • 7.0.0
    • 7.7.0
    • 7.2.3.1
    • 7.2.4.1
    • 7.2.3
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    Vendors and products

    Weakness classes (CWE)

    • CWE-288Authentication Bypass Using an Alternate Path or Channel

      Base

      The product requires authentication, but the product has an alternate path or channel that does not require authentication.

      Entry at MITRE CWE-288

    Public exploit references

    Publicly reported proof-of-concepts, exploit modules and detection templates for this vulnerability. NEOSEC links to the original sources only and does not provide any exploit code.

    Public exploit references
    CISA KEV CatalogCISA Known Exploited Vulnerability (opens in a new tab)cisa.govactively exploited
    CIRCL Sightingsblog.securelayer7.net (opens in a new tab)PoC (publicly reported)reported, not verified
    PoC-in-GitHub (nomi-sec)CVE-2026-20079 (opens in a new tab)github.comPoC (publicly reported)reported, not verified

    References & sources

    • sec.cloudapps.cisco.comcisco-sa-onprem-fmc-authbypass-5JPp45V2pwn-watch
    • seclists.orgfulldisclosure/2026/Aug/80
    • blog.talosintelligence.comfmc-ongoing-exploitationThird-party advisory
    • cisa.govknown-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20079government-resource
    • cert.atCERT.at: Kritische Sicherheitslücken in Cisco Secure Firewall Produkten - Updates verfügbarcert-at
    • pwn.watchpwn.watch: Cisco Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management: Cisco Firewall Management Center Authentication Bypass Usingpwn-watch
    • NVD (NIST)NVD: CVE-2026-20079pwn-watch
    • cisa.govCISA Known Exploited Vulnerabilities Catalogpwn-watch

    Changes to this CVE

    Who changed this CVE and when: NVD (analysis, affected products, CVSS), the CVE publisher (CNA) and additional providers such as CISA (ADP).

    1. Record modifiedCISA ADP

      CISA assessment (SSVC): exploitation: active, automatable: yes

      Show the original change
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      SSVC assessmentchanged
      {"id":"CVE-2026-20079","role":"CISA Coordinator","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"version":"2.0.3","timestamp":"2026-03-04T00:00:00+00:00"}
      {"id":"CVE-2026-20079","role":"CISA Coordinator","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"version":"2.0.3","timestamp":"2026-09-10T03:55:16.679381Z"}

      Source identifier: 134c704f-9b21-4f2e-91b3-4a467353bcc0

    2. NVD analysis modifiedNVD

      Show 2 original changes
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Reference typeadded
      —
      CISA-ADP: https://blog.talosintelligence.com/fmc-ongoing-exploitation/ Types: Exploit, Third Party Advisory
      Reference typeadded
      —
      CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20079 Types: US Government Resource

      Source identifier: nvd@nist.gov

    3. Record modifiedCISA ADP

      CISA assessment (SSVC): exploitation: active, automatable: yes

      Show the original change
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      SSVC assessmentchanged
      {"id":"CVE-2026-20079","role":"CISA Coordinator","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"version":"2.0.3","timestamp":"2026-09-09T19:50:25.526656Z"}
      {"id":"CVE-2026-20079","role":"CISA Coordinator","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"version":"2.0.3","timestamp":"2026-03-04T00:00:00+00:00"}

      Source identifier: 134c704f-9b21-4f2e-91b3-4a467353bcc0

    4. CISA KEV entry updated9119a7d8…

      4 individual changes: Date Added, Due Date, Required Action, Vulnerability Name

      Show 4 original changes
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Date Addedadded
      —
      2026-09-09
      Due Dateadded
      —
      2026-09-09
      Required Actionadded
      —
      2026-09-09
      Vulnerability Nameadded
      —
      2026-09-09

      Source identifier: 9119a7d8-5eab-497f-8521-727c672e3725

    5. Initial analysis by NVDNVD

      Newly listed as affected:
      Show 3 original changes
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Product configurationadded
      —
      OR *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.5.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.5.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.4.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.3.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.1.0.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.1.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.1.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.1.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.3.1.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.3.1.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.3.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.3.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.6.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.6:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.1.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.8.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.8:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.7:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.6:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.6.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.6.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.7:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.7.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.9:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.2.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:10.0.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.8:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.8.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.10:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.10.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.10.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.2.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.2.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.2.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.7.10:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.7.10.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.7.11:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:10.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.0.9:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.2.11:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.6:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.4.7:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.6.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:secure_firewall_management_center:7.7.12:*:*:*:*:*:*:*
      Reference typeadded
      —
      Cisco Systems, Inc.: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2 Types: Vendor Advisory
      Reference typeadded
      —
      CVE: http://seclists.org/fulldisclosure/2026/Aug/80 Types: Exploit, Mailing List, Third Party Advisory

      Source identifier: nvd@nist.gov

    Show 4 older changes

    1. Record modifiedCisco

      1 individual change: Affected versions (publisher)

      Show the original change
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Affected versions (publisher)added
      —
      Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/20xxx/CVE-2026-20079.json">CVE-2026-20079</a>

      Source identifier: psirt@cisco.com

    2. Record modifiedCisco

      Show 2 original changes
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Referenceadded
      —
      https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2
      Referenceremoved
      https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2
      —

      Source identifier: psirt@cisco.com

    3. Record modifiedCVE Program

      Show the original change
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Referenceadded
      —
      http://seclists.org/fulldisclosure/2026/Aug/80

      Source identifier: af854a3a-2127-422b-91ae-364da2661108

    4. Record modifiedCisco

      Description added or changed

      Show 2 original changes
      Individual changes of this event as published by NVD
      TypeActionBeforeAfter
      Affected versions (publisher)changed
      Cisco Secure Firewall Management Center (FMC)
      Cisco Secure Firewall Management Center (FMC)
      Descriptionchanged
      A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow root access to the device.
      A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system.&nbsp; This vulnerability is due to an improper system process that is created at boot time. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute a variety of scripts and commands that allow&nbsp;root access to the device.&nbsp;

      Source identifier: psirt@cisco.com

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    <a href="https://intel.neosec.eu/en/cve/CVE-2026-20079"><img src="https://intel.neosec.eu/badge/cve/CVE-2026-20079.svg?lang=en" alt="CVE-2026-20079 – NEOSEC Intel" height="20"></a>