What is CVE-2026-20050?

CVE-2026-20050 is a medium-severity vulnerability in Cisco Secure Firewall Threat Defense (Ftd) Software, classified under Improper Resource Shutdown or Release. CVSS score: 6.8/10. Published 2026-03-04.

How severe is CVE-2026-20050?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Cisco Secure Firewall Threat Defense (Ftd) Software

CVE-2026-20050

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…

EPSS: 0.000 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Secure Firewall Threat Defense (Ftd) Software — versions 7.0.0, 7.0.0.1, 7.0.1

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

cisco-sa-ftd-dnd-dos-bpEcg7B7

Frequently asked questions

What is CVE-2026-20050?: CVE-2026-20050 is a medium-severity vulnerability in Cisco Secure Firewall Threat Defense (Ftd) Software, classified under Improper Resource Shutdown or Release. CVSS score: 6.8/10. Published 2026-03-04.
How severe is CVE-2026-20050?: Medium severity. CVSS v3 base score is 6.8 out of 10.