VulnerabilitiesCritical

Interlock Ransomware Exploits Cisco Firewall Zero-Day (CVE-2026-20131)

Friday, March 27, 2026
Global
https://www.securityweek.com/cisco-firewall-vulnerability-exploited-as-zero-day-in-interlock-ransomware-attacks/

Summary

Interlock cybercrime group exploited zero-day in Cisco Secure Firewall Management Center since January 2026, allowing remote unauthenticated RCE with root privileges. Targets education, healthcare, government sectors.

Threat Analysis

Interlock cybercrime group exploited zero-day in Cisco Secure Firewall Management Center since January 2026, allowing remote unauthenticated RCE with root privileges. Targets education, healthcare, government sectors.

**Associated CVEs:** CVE-2026-20131

**Source:** https://www.securityweek.com/cisco-firewall-vulnerability-exploited-as-zero-day-in-interlock-ransomware-attacks/

**Recommended Actions:** - Apply security patches immediately if available - Monitor for indicators of compromise - Review and update security configurations - Implement network segmentation where applicable

Last updated: Mar 27, 2026, 11:44 AM

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