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CVEs

CVE-2026-20131

exploited in the wild☆ pin
CVSS
10.0
Reports
7
First seen
Mar 5, 2026
Last seen
Aug 6, 2026
Affected product

Cisco Secure Firewall Management Center (FMC) versions 6.4.0.13 through 10.0.0

Associated actors

Interlock ×3The Gentlemen ×2BlackCat ×1Clop ×1Flooding Dropper ×1FunFoneFarm ×1Handala Hack ×1INC Ransom ×1Interlock Ransomware Group ×1NewsJunkie ×1Phobos ×1Qilin ×1Russian-speaking initial access broker ×1SideWinder ×1Storm-2372 ×1Akira ×1Yanluowang ×1APT28 ×1

Recent reports

High

ThreatsDay: 30 Weekly Threat Roundup—RCE, Device Takeovers, Supply Chain, AI Abuse

The Hacker NewsCritical

Interlock Ransomware Abuses Volatility3 Memory Analysis Tool in March 2026 Incident

Sophos NewsHigh

IT threat evolution in Q1 2026: Non-mobile statistics

Kaspersky SecurelistCritical

March 2026 CVE Landscape: 31 High-Impact Vulnerabilities, Interlock Ransomware Exploits Cisco FMC Zero-Day

Recorded Future InsiktCritical

Threat Intelligence Report – 30 March: FBI Director Account Breach, Port Ransomware, Supply Chain Compromises

Check Point ResearchCritical

Cisco Secure FMC Critical Vulnerabilities CVE-2026-20079 and CVE-2026-20131 Require Immediate Patching

NICS TaiwanCritical

Multiple Vulnerabilities in Cisco Products – CVE-2026-20131 Actively Exploited

GovCERT.HK

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