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Cisco warns of FMC static credential flaw exploited in zero-day attacks

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vulnerabilities

Cisco warns of FMC static credential flaw exploited in zero-day attacks

Cisco disclosed that a high-severity static credential vulnerability (CVE-2026-20316) in its Secure Firewall Management Center was actively exploited in zero-day attacks to gain unauthorized access. The flaw allows attackers to bypass authentication and compromise affected firewall management infrastructure.

Why it matters: Cisco Secure Firewall Management Center administrators need to patch immediately, as threat actors are actively exploiting this vulnerability to obtain unauthorized management access to firewall devices.

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Correction recorded as of .

vulnerabilities

Cisco warns of FMC static credential flaw exploited in zero-day attacks

Cisco disclosed that a high-severity static credential vulnerability (CVE-2026-20316) in its Secure Firewall Management Center was actively exploited in zero-day attacks to gain unauthorized access. The flaw allows attackers to bypass authentication and compromise affected firewall management infrastructure.

Why it matters: Cisco Secure Firewall Management Center administrators need to patch immediately, as threat actors are actively exploiting this vulnerability to obtain unauthorized management access to firewall devices.

VendorsCisco
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