Product by Cisco

    Cisco StarOS

    25 known vulnerabilities in Cisco StarOS (Cisco), 1 of them actively exploited (CISA KEV).

    Key figures

    25

    Vulnerabilities

    1

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Cisco StarOS (Cisco)
    CriticalCVE-2025-32433

    Erlang/OTP SSH Vulnerable to Pre-Authentication RCE

    In CISA KEValso in 17 other products

    		10.0
    HighCVE-2019-1869

    Cisco StarOS Denial of Service Vulnerability

    also in 1 other product

    		8.6
    HighCVE-2018-0239

    Cisco StarOS: Improper Input Validation

    		7.5
    HighCVE-2018-0369

    Cisco StarOS: Improper Input Validation

    		8.6
    HighCVE-2023-20046

    Cisco ASR 5000 Series Software: Authentication Bypass by Alternate Name

    also in 1 other product

    		8.8
    MediumCVE-2018-0273

    Cisco StarOS IPsec Manager: Resource Management Errors

    		5.3
    MediumCVE-2017-3865

    Cisco StarOS for ASR 5000 Series Routers: Denial of Service

    		5.8
    HighCVE-2020-3500

    Cisco StarOS IPv6 Denial of Service Vulnerability

    		6.8
    MediumCVE-2019-16026

    Cisco Mobility Management Entity Denial of Service Vulnerability

    		6.8
    HighCVE-2021-1539

    Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities

    also in 1 other product

    		8.1
    HighCVE-2021-1540

    Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities

    also in 1 other product

    		8.1
    MediumCVE-2021-1145

    Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability

    		6.5
    HighCVE-2021-1378

    Cisco StarOS Denial of Service Vulnerability

    		5.3
    HighCVE-2021-1353

    Cisco StarOS IPv4 Denial of Service Vulnerability

    		5.8
    HighCVE-2017-6707

    Cisco StarOS: OS Command Injection

    		8.2
    MediumCVE-2020-3244

    Cisco StarOS: Improper Input Validation

    		5.3
    Not ratedCVE-2013-0149

    Cisco FWSM: Denial of Service

    also in 5 other products

    		—
    Not ratedCVE-2015-0711

    Cisco StarOS: Denial of Service

    		—
    MediumCVE-2018-0224

    Cisco StarOS: Command Injection

    		6.7
    MediumCVE-2018-0115

    Cisco StarOS: OS Command Injection

    		6.7
    MediumCVE-2020-3602

    Cisco StarOS Privilege Escalation Vulnerability

    		6.3
    Not ratedCVE-2015-0712

    Cisco StarOS: Denial of Service

    		—
    MediumCVE-2022-20665

    Cisco StarOS Command Injection Vulnerability

    		6.0
    MediumCVE-2020-3601

    Cisco StarOS Privilege Escalation Vulnerability

    		4.4
    MediumCVE-2018-0122

    Cisco StarOS: Improper Input Validation

    		4.4

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