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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-20050

CVE-2026-20050: 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 severityMedium6.8

    Medium [CVE-2026-20050] Cisco Secure Firewall Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability

    cisco-sa-ftd-dnd-dos-bpEcg7B7Source published Source updated

    A vulnerability in the Do Not Decrypt exclusion feature of the SSL decryption feature of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper memory management during the inspection of TLS 1.2 encrypted traffic. An attacker could exploit this vulnerability by sending crafted TLS 1.2 encrypted traffic through an affected device. A successful exploit could allow the attacker to cause a reload of an affected device. Note: This vulnerability on…

    Related products — impact not confirmed
    • Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1
    • Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.2
    • Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.3
    • Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0.1

    4 more entries in the full advisory.

    Source-reported affected versions
    • Scope: At the time of publication, this vulnerability affected Cisco devices if they were running a vulnerable release of Cisco Secure FTD Software and had a Do Not Decrypt exception configured for an SSL decryption policy.
    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 this vulnerability.
    Full advisory and evidenceOpen source bulletin

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