high Known exploited

CVE-2026-20079

Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability

Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication Bypass using an alternate path or channel vulnerability that could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system.

Published
Sep 9, 2026
Vendor
Cisco
Product
Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management
CISA due date
2026-09-12
Source
merged

References

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