Storyline
Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)
A critical vulnerability (CVE-2026-20131) in Cisco Secure Firewall Management Center (FMC) that Cisco disclosed and patched in early March 2026 has been exploited as a zero-day by the Interlock ransomware gang, Amazon CISO and VP of Security Engineering CJ Moses revealed. “.
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- Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)Help Net Security
- Interlock ransomware targeting of max severity Cisco FMC zero-day precedes disclosureSC Media
- Ransomware group exploited Cisco firewall vulnerability as a zero day, weeks before a patch appearedCSO Online