MEDIUM CISA KEV

CVE-2026-20316

CVSS v3

5.3

MEDIUM

EPSS Score

0.8 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software 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. This vulnerability is due to the presence of static user credentials for a low-privileged account. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow t

CISA Known Exploited Vulnerability

Date Added: 2026-07-29
Patch Due Date: 2026-08-01
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-07-29
Last Modified: 2026-07-30

Frequently asked questions

What is CVE-2026-20316?

Is CVE-2026-20316 actively exploited?

Yes. CVE-2026-20316 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-08-01.

What is the CVSS score for CVE-2026-20316?

CVE-2026-20316 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string 3.1.

Is CVE-2026-20316 affecting your environment?

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