CRITICALZero Day
Global

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

·Source: The Hacker News

Updated:

Executive Summary

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

Analysis

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

Indicators of Compromise (1)

CVE (1)
CVE-2026-20316
NVDMITRE CVE
Source Attribution

Originally published by The Hacker News on Jul 30, 2026.

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