First published 9/27/2026, 6:07:15 AM · Last updated 9/27/2026, 6:07:15 AM

CVE-2026-20079: Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability

Cisco Secure Firewall Management Center and Cisco Security Cloud Control Firewall Management have an authentication bypass vulnerability that could allow an unauthenticated remote attacker to execute script files and obtain root access on affected devices. The advisory requires stakeholders to apply vendor mitigations and follow CISA’s BOD 26-04 and forensics triage guidance.

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 4/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 5/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 6/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

If unmitigated, the vulnerability can permit remote attackers to gain root access to firewall management systems, compromising affected networks and devices.

Location

Sources

CVE-2026-20079: Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability

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