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Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

medthehackernewsPublished 2026-07-30

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a newly disclosed security flaw impacting Cisco Secure Firewall Management Center (FMC) Software to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day exploitation.

The vulnerability, assigned CVE-2026-20316 (CVSS score: 5.3), could permit an unauthenticated, remote attacker to log

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://thehackernews.com/2026/07/cisco-fmc-zero-day-actively-exploited.html