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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-20015

CVE-2026-20015: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

Cisco

1 advisory
  • Advisory severityHigh7.7

    High [CVE-2026-20013 +2] Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerabilities

    cisco-sa-asaftd-ikev2-dos-eBueGdEGSource published Source updated

    This bulletin covers 3 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    Multiple vulnerabilities in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow a remote attacker to leak memory when parsing IKEv2 packets, triggering a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of the March 2026 release…

    Related products — impact not confirmed
    • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2
    • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3
    • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4
    • Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5

    4 more entries in the full advisory.

    Source-reported affected versions
    • Scope: These vulnerabilities affect Cisco Secure Firewall ASA Software and Secure FTD Software if they have the IKEv2 VPN feature enabled.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Workarounds
    • There are no workarounds that address these vulnerabilities.
    Full advisory and evidenceOpen source bulletin

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