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criticalKEV

CVE-2026-20079

Cisco Secure Firewall Management Center authentication bypass - a hardcoded internal session id is accepted from the network, giving an unauthenticated attacker the authenticated console and script execution as root (CVSS 10.0, CISA KEV)

Severity
critical
Affected product
Cisco Secure Firewall Management Center
Affected versions
Cisco Secure Firewall Management Center all versions before the fix
Detection basis
Appliance fingerprint
Shipped rule
Cisco Secure Firewall Management Center: Cisco Secure Firewall Management Center authentication bypass - a hardcoded internal session id is accepted from the network, giving an unauthenticated attacker the authenticated console and script execution as root (CVSS 10.0, CISA KEV)
CISA KEV
Listed as a known exploited vulnerability
EPSS
36% chance of exploitation in the next 30 days
Added to NewScan
2026-09-10
Detected by
NewScan — free, self-hosted

How NewScan reports it

APPLIANCE FINGERPRINT

NewScan fingerprints the Cisco Secure Firewall Management Center appliance and reports this CVE when the detected version falls inside the affected range below.

References

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