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Vulnerabilities & PatchesEmerging1 sourceAug 11, 2026 · 05:00via Zero Day Initiative (Published)

ZDI-26-533: Cisco Secure Firewall Management Center login.cgi Authentication Bypass Vulnerability

Brief

This vulnerability allows remote attackers to bypass authentication on affected installations of Cisco Secure Firewall Management Center. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.

  • The following CVEs are assigned: CVE-2026-20316.
Read more on Zero Day Initiative (Published)→
Vulnerabilities & PatchesCVE-2026-20316Cisco