cisco-sa-fmc2-multivulns-HXgcqRGCriticalCVSS 9.0

Cisco Secure Firewall Management Center Software Vulnerabilities

Published
September 16, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (3)

CVE-2026-76412 →CVE-2026-76413 →CVE-2026-76420 →

📋 Description

Multiple vulnerabilities in Cisco Secure Firewall Management Center (FMC) Software could allow a remote attacker to gain root access and perform session forgery or session impersonation.

For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"]. In addition, for further documentation of improvements and fixes in Cisco Secure Firewall products, see Cisco Secure Firewall Adaptive Security Appliance Software, Secure Firewall Threat Defense Software, and Secure Firewall Management Center Software Hardening Release: September 2026 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-asaftdfmc-uvpPROhN"].

CVE-2026-76412 — Cisco Secure Firewall Management Center Software Authenticated Privilege Escalation to Root Vulnerability (CVSS 3.1 8.5, CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H) CVE-2026-76413 — Cisco Secure Firewall Management Center Software Single Sign-On Token Forgery of Administrator Account Vulnerability (CVSS 3.1 8.2, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H) CVE-2026-76420 — Cisco Secure Firewall Management Center Software Impersonated sftunnel Connection Vulnerability (CVSS 3.1 9.0, CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

🎯 Affected products70

  • Cisco Secure Firewall Management Center (FMC)
  • Cisco Secure Firewall Management Center (FMC) Appliances
  • Cisco Secure Firewall Management Center (FMC) 10.0.0
  • Cisco Secure Firewall Management Center (FMC) 10.0.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.0
  • Cisco Secure Firewall Management Center (FMC) 7.0.0.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.1.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.2
  • Cisco Secure Firewall Management Center (FMC) 7.0.2.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.3
  • Cisco Secure Firewall Management Center (FMC) 7.0.4
  • Cisco Secure Firewall Management Center (FMC) 7.0.5
  • Cisco Secure Firewall Management Center (FMC) 7.0.6
  • Cisco Secure Firewall Management Center (FMC) 7.0.6.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.6.2
  • Cisco Secure Firewall Management Center (FMC) 7.0.6.3
  • Cisco Secure Firewall Management Center (FMC) 7.0.7
  • Cisco Secure Firewall Management Center (FMC) 7.0.8
  • Cisco Secure Firewall Management Center (FMC) 7.0.8.1
  • Cisco Secure Firewall Management Center (FMC) 7.0.9
  • Cisco Secure Firewall Management Center (FMC) 7.2.0
  • Cisco Secure Firewall Management Center (FMC) 7.2.0.1
  • Cisco Secure Firewall Management Center (FMC) 7.2.1
  • Cisco Secure Firewall Management Center (FMC) 7.2.10
  • Cisco Secure Firewall Management Center (FMC) 7.2.10.1
  • Cisco Secure Firewall Management Center (FMC) 7.2.10.2
  • Cisco Secure Firewall Management Center (FMC) 7.2.11
  • Cisco Secure Firewall Management Center (FMC) 7.2.2
  • Cisco Secure Firewall Management Center (FMC) 7.2.3
  • +40 more not shown

✅ Remediation

Cisco has released software updates that address this vulnerability. https://software.cisco.com Workarounds: There are no workarounds that address these vulnerabilities.

🔗 References (10)