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Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks

medbleepingcomputerPublished 2026-09-09

Cisco has confirmed that a maximum-severity authentication bypass vulnerability tracked as CVE-2026-20079 in its Secure Firewall Management Center (FMC) software is being actively exploited in attacks. [...]

Indicators of compromise

Original source: https://www.bleepingcomputer.com/news/security/cisco-confirms-cve-2026-20079-secure-fmc-flaw-exploited-in-attacks/