Threats / Cisco / CVE-2026-20316
CVE-2026-20316
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-07-30
Cisco Secure Firewall Management Center (FMC) vulnerability
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
Verdict
Today item — known-exploited.
Confirmed exploited in the wild (CISA KEV). Prioritize remediation now and verify exposure.
CISA KEV Yes · 2026-07-293
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
3 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-07-29).
Severity / affected
Affected: Cisco, Secure Firewall Management Center (FMC). Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-259 Hard-coded Password — weakness family: Authentication.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then boardAttacker/business narrative framing is pending triage for this record — see Coverage & confidence below. Facts and verdict above are derived deterministically from the public feed.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05