CVE-2026-20079
Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability
10.0
CVSS 3.1
88.2 %
EPSS (current)
2026-09-09
KEV addition
No
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Cisco / Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management
Published: 2026-03-04 · Due (CISA): 2026-09-12
CWE: CWE-288 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| nuclei | http/cves/2026/CVE-2026-20079.yaml | Cisco Secure Firewall Management Center - Authentication Bypass | – |
| metasploit | exploit/linux/http/cisco_fmc_auth_bypass_rce | exploit/linux/http/cisco_fmc_auth_bypass_rce | 2026-03-04 |
References only — no downloads or instructions.