CRITICALCVSS 10.0Actively exploited · CISA KEV since 2026-09-09Vulnerability

CVE-2026-20079

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.

Properties

Euvd product
Cisco Secure Firewall Management Center (FMC)
Vulnerability name
Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability
First seen
2026-09-16T20:08:37+00:00
Cvss score
10
Epss score
0.8818
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-09-12
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:49+00:00
Exploited euvd since
2026-09-09T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-09-09
Euvd base score version
3.1
Score
10
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Cisco
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10

Related Entities (76 · showing 24)

AFFECTS_PRODUCT (72 · showing 20)

INVOLVES (1)

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CVE-2026-20079 (CVSS 10) — Ninja Signal Threat Intelligence | Ninja Signal