sign in--:--:--UTC

CVE-2026-20131

exploited in the wild

CVSS

10.0

Reports

5

First seen

Mar 5

Last seen

May 18

Affected product

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

Associated actors

Akira ×1 APT28 ×1 BlackCat ×1 Clop ×1 Handala Hack ×1 INC Ransom ×1 Interlock ×1 Interlock Ransomware Group ×1 Phobos ×1 Qilin ×1 The Gentlemen ×1 Yanluowang ×1

Recent reports

IT threat evolution in Q1 2026: Non-mobile statistics

Kaspersky SecurelistMay 18 Critical

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

Recorded Future InsiktApr 13 Critical

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

Check Point ResearchMar 30 Critical

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

NICS TaiwanMar 11 Critical

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

GovCERT.HKMar 5

This page shows data on a 7-day delay. Free accounts get the full delayed feed; real-time reports, indicators, and the API start at $29/mo.

Sign up See plans