Vendor

    Cisco

    7,011 known vulnerabilities in products by Cisco, 106 of them actively exploited (CISA KEV).

    Key figures

    7,011

    Vulnerabilities

    106

    Actively exploited (KEV)

    8

    Used by ransomware

    515

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority.

    Vulnerabilities in Cisco
    SeverityCVETitleCVSSPublished
    CriticalCVE-2026-20131

    Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability

    In CISA KEVRansomware

    		10.0
    CriticalCVE-2021-44228

    Apache Log4j2 Remote Code Execution Vulnerability

    In CISA KEVRansomware

    		10.0
    CriticalCVE-2026-76461

    Cisco Secure Email Gateway SQL Injection Vulnerability

    In CISA KEV

    		9.8
    CriticalCVE-2026-76460

    Cisco Identity Services Engine Authentication Bypass Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2026-20316

    Cisco Secure Firewall Management Center Software Static Credential Vulnerability

    In CISA KEVRansomware

    		5.3
    CriticalCVE-2026-20182

    Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2023-44487

    HTTP/2 Rapid Reset Attack Vulnerability

    In CISA KEV

    		7.5
    CriticalCVE-2026-20079

    Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2026-20127

    Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2026-20230

    Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability

    In CISA KEV

    		8.6
    CriticalCVE-2020-3259

    Cisco ASA and FTD Information Disclosure Vulnerability

    In CISA KEVRansomware

    		7.5
    CriticalCVE-2025-20393

    Cisco Multiple Products Improper Input Validation Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2025-20333

    Cisco Secure Firewall Threat Defense (FTD) Software: Classic Buffer Overflow

    In CISA KEV

    		9.9
    CriticalCVE-2025-20281

    Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2025-20337

    Cisco ISE API Unauthenticated Remote Code Execution Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2025-32433

    Erlang/OTP SSH Vulnerable to Pre-Authentication RCE

    In CISA KEV

    		10.0
    CriticalCVE-2020-3433

    Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

    In CISA KEVRansomware

    		7.8
    CriticalCVE-2024-20439

    Cisco Smart Licensing Utility Static Credential Vulnerability

    In CISA KEV

    		9.8
    CriticalCVE-2020-3580

    Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability

    In CISA KEVRansomware

    		6.1
    CriticalCVE-2026-20245

    Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability

    In CISA KEV

    		7.8
    CriticalCVE-2020-3153

    Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

    In CISA KEVRansomware

    		6.5
    CriticalCVE-2023-20198

    Cisco IOS XE Web UI Privilege Escalation Vulnerability

    In CISA KEV

    		10.0
    CriticalCVE-2023-20269

    Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability

    In CISA KEVRansomware

    		5.0
    CriticalCVE-2026-20045

    Cisco Unified Communications Products Remote Code Execution Vulnerability

    In CISA KEV

    		8.2
    CriticalCVE-2022-22965

    Spring Framework JDK 9+ Remote Code Execution Vulnerability

    In CISA KEV

    		9.8

    All vulnerabilities in search

    News

    Products

    Products by Cisco
    ProductCVEsActively exploited
    Cisco IOS62239
    Cisco IOS XE57429
    Cisco Adaptive Security Appliance (ASA) Software35414
    Cisco Firepower Threat Defense Software27613
    Cisco NX-OS2762
    Cisco Unified Communications Manager2393
    Cisco IOS XR20211
    Cisco Identity Services Engine Software1984
    Cisco Firepower Management Center1903
    Cisco Webex Meetings Server1361
    Cisco RV110w Firmware1320
    Cisco RV130W Firmware1310
    Cisco Identity Services Engine Software1283
    Cisco IOS Xe Software1236
    Cisco Unified Computing System (Standalone)1161
    Cisco Catalyst SD-WAN Manager9910
    Cisco Firepower Threat Defense Software994
    Cisco Prime Infrastructure902
    Cisco Wireless LAN Controller (WLC)880
    Cisco Secure Firewall Threat Defense (ftd) Software803
    Application Extension Platform790
    Cisco Adaptive Security Appliance (asa) Software795
    Cisco Nx-os Software781
    Cisco RV215W Firmware710
    Cisco AnyConnect Secure692
    Cisco Firepower Management Center690
    Cisco Webex Meetings690
    Cisco Data Center Network Manager 5.2(1)682
    Rv215w Wireless-n VPN Router Firmware680
    Cisco Unity Connection652
    Cisco Web Security Appliance (WSA)650
    Cisco IOS Xr Software641
    Adaptive Security Appliance630
    Rv130 Firmware630
    Rv130 VPN Router Firmware620
    Cisco Webex Meetings Online590
    Cisco AsyncOS583
    Cisco Firepower eXtensible Operating System (FXOS)560
    Cisco ASA 5500 7.2.2520
    Cisco RV320 Firmware523
    Cisco RV325 Firmware523
    Cisco 5500 Series Adaptive Security Appliance510
    Cisco Evolved Programmable Network Manager (EPNM)511
    Cisco Email Security Appliance (ESA)500
    Cisco Identity Services Engine (ISE) Software 2.1(0.229)490
    Cisco Unified Contact Center Express481
    Cisco Secure Firewall Adaptive Security Appliance (asa) Software473
    Rv042 Firmware461
    Rv042g Firmware461
    Cisco Catalyst Sd-wan Manager459
    Identity Services Engine (ise)451
    Cisco TelePresence Video Communication Server (VCS) Expressway421
    Sd-wan Vmanage421
    Cisco Unified Communications Domain Manager (CDM) 11.5(1)410
    Sd-wan Firmware410
    Cisco Application Policy Infrastructure Controller (APIC)390
    Cisco Unified Communications Manager IM and Presence Service392
    Rv016 Firmware371
    Rv082 Dual WAN VPN Router Firmware370
    Rv082 Firmware371