Medium

U.S. CISA adds a Cisco Secure Firewall Management Center (FMC) flaw to its Known Exploited Vulnerabilities catalog

Security Affairs

July 30, 2026 at 9:06 AM

Overview

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a vulnerability affecting the Cisco Secure Firewall Management Center (FMC) to its Known Exploited Vulnerabilities catalog. This flaw, identified as CVE-2026-20316, has a CVSS score of 5.3, indicating a moderate level of severity. Organizations using Cisco FMC should take this seriously as the vulnerability could potentially be exploited by attackers. CISA's inclusion of this flaw in their catalog signals a heightened risk, urging companies to assess their security measures. It's crucial for users to stay updated and implement necessary patches to protect their systems from potential exploitation.

Key Takeaways

Affected Systems: Cisco Secure Firewall Management Center (FMC)
Action Required: Organizations are advised to check for available patches and updates from Cisco for the FMC.
Timeline: Newly disclosed

Original Article Summary

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a Cisco Secure Firewall Management Center (FMC) flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Cisco Secure Firewall Management Center (FMC) flaw, tracked as CVE-2026-20316 (CVSS score of 5.3), to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-20316 is a […]

Impact

Cisco Secure Firewall Management Center (FMC)

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Organizations are advised to check for available patches and updates from Cisco for the FMC. Implementing the latest security updates is essential to mitigate this vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Cisco, Vulnerability.

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