https://reddit.com/r/sysadmin/comments/1s1iycd/cve202620131_cisa_basically_said_patch_this_cisco/: CVE-2026-20131: CISA basically said "patch this Cisco flaw or good luck." Deadline already passed.

Published Mar 23, 2026

Updated

Affected Software

1 affected component

Cisco FirePOWER Management Center=7.2.x

CVE-2026-20131 has a severity rating of 10.0, indicating a critical authentication bypass vulnerability.

To address CVE-2026-20131, apply the latest security patches provided by Cisco for the FirePOWER Management Center.

CVE-2026-20131 specifically affects Cisco FirePOWER Management Center software.

Exploitation of CVE-2026-20131 allows attackers to bypass authentication and potentially gain unauthorized access to management interfaces.

Yes, CISA issued a recommendation to patch CVE-2026-20131 urgently, and the initial deadline for remediation has already expired.