CVE-2026-20316

Summary

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems.

This vulnerability is due to the presence of static user credentials for a low-privileged account. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and access sensitive data as the low-privileged user.  Note: If the FMC management interface does not have public internet access, the attack surface that is associated with this vulnerability is reduced.   Cisco has assigned this security advisory a Security Impact Rating (SIR) of High rather than Medium as the score indicates. The reason is that this vulnerability can be used with other Cisco Secure FMC Software vulnerabilities to elevate privileges.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Secure Firewall Management Center (FMC)7.0.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.0.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.1.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.2.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.3affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.0.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.4affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.5affected
CiscoCisco Secure Firewall Management Center (FMC)7.3.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.3.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.3affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.3.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.4affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.6affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.4.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.5affected
CiscoCisco Secure Firewall Management Center (FMC)7.3.1.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.6.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.5.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.6affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.1.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.6.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.7affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.5.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.3.1.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.8affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.8.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.6.3affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.2.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.9affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.7affected
CiscoCisco Secure Firewall Management Center (FMC)7.7.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.2.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.10affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.2.3affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.8affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.7.10affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.10.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.8.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.2.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.10.2affected
CiscoCisco Secure Firewall Management Center (FMC)7.7.10.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.2.4affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.3affected
CiscoCisco Secure Firewall Management Center (FMC)7.7.11affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.4affected
CiscoCisco Secure Firewall Management Center (FMC)10.0.0affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.4affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.5affected
CiscoCisco Secure Firewall Management Center (FMC)7.0.9affected
CiscoCisco Secure Firewall Management Center (FMC)7.2.11affected
CiscoCisco Secure Firewall Management Center (FMC)7.7.12affected
CiscoCisco Secure Firewall Management Center (FMC)7.6.5affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.6affected
CiscoCisco Secure Firewall Management Center (FMC)10.0.1affected
CiscoCisco Secure Firewall Management Center (FMC)7.4.7affected

Weaknesses

  • CWE-259: Use of Hard-coded Password

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: active
    • Automatable: yes
    • Technical Impact: partial

Additional References

References