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Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)
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Published 2026-03-19 18:25 UTCUpdated 2026-03-20 13:21 UTC
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Evidence trail (top sources)
top sources (3 domains)domains are deduped. counts indicate coverage, not truth.3 top sources shown
Overview
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. “.
Score total
1.21
Momentum 24h
3
Posts
3
Origins
3
Source types
1
Duplicate ratio
0%
All evidence
All evidence
Cisco FMC flaw was exploited by Interlock weeks before patch (CVE-2026-20131)
Help Net Security · helpnetsecurity.com · 2026-03-20 13:21 UTC
Interlock ransomware targeting of max severity Cisco FMC zero-day precedes disclosure
SC Media · scworld.com · 2026-03-19 23:09 UTC
Ransomware group exploited Cisco firewall vulnerability as a zero day, weeks before a patch appeared
CSO Online · csoonline.com · 2026-03-19 18:25 UTC
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