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THREAT OPS › Threat News › ZDI-26-533: Cisco Secure Firewall Management Center login.cgi Authentication Bypass Vulnerability

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

medzdi_publishedPublished 2026-08-11

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 9.8. The following CVEs are assigned: CVE-2026-20316.

Indicators of compromise

CVE-2026-20316cve

Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-533/