CVE-2026-20316CISA KEVEPSS p98.4%

CVE-2026-20316Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability

Cisco / Secure Firewall Management Center (FMC)

Description

Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of hard-coded password vulnerability that could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS35.10% probability of exploitation · percentile 98.4% · 2026-10-04T12:00:21Z
Last modified2026-09-16

CISA KEV entry

Added to KEV: 2026-07-29

Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.