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Cisco Security Advisoriespublished ()ingested
Part of a story covered by 7 sources: “Cisco September 2026 Firewall Hardening Release Fixes Multiple ASA/FTD/FMC Flaws, Two Actively Exploited; ZDI Details FMC Deserialization RCE CVE-2026-20242” — merged summary and timeline →

Cisco Secure Firewall Management Center Software Vulnerabilities

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AI summary · glm-5.3-flash

Cisco Secure Firewall Management Center vulnerabilities could let remote attackers gain root access and perform session forgery or impersonation.

Cisco disclosed multiple vulnerabilities in Secure Firewall Management Center (FMC) Software that could allow a remote attacker to gain root access and perform session forgery or session impersonation. Software updates have been released and no workarounds address the issues. The advisory is part of Cisco's September 2026 grouped release of firewall product advisories.

  • Remote attackers could gain root access on FMC
  • Session forgery and session impersonation also possible
  • No workarounds available; patching is the only mitigation
  • Part of a grouped set of Cisco firewall advisories
Full article

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 section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc2-multivulns-HXgcqRG This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance…

This source does not provide full text. Read it at sec.cloudapps.cisco.com.