What is CVE-2025-20156?

CVE-2025-20156 is a critical-severity vulnerability in Cisco Meeting Management, classified under Improper Handling of Insufficient Privileges. CVSS score: 9.9/10. Published 2025-01-22.

How severe is CVE-2025-20156?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Cisco Meeting Management

CVE-2025-20156

A vulnerability in the REST API of Cisco Meeting Management could allow a remote, authenticated attacker with low privileges to elevate privileges to administrator on an affected device. This vulnerability exists because proper authoriz…

EPSS: 0.015 (81.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Cisco Meeting Management — versions CMM3.4.0, CMM3.2.0, CMM2.9.1

Weakness classification (CWE)

CWE-274 — Improper Handling of Insufficient Privileges

References

cisco-sa-cmm-privesc-uy2Vf8pc
ClamAV blog
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-ole2-H549rphA

Frequently asked questions

What is CVE-2025-20156?: CVE-2025-20156 is a critical-severity vulnerability in Cisco Meeting Management, classified under Improper Handling of Insufficient Privileges. CVSS score: 9.9/10. Published 2025-01-22.
How severe is CVE-2025-20156?: Critical severity. CVSS v3 base score is 9.9 out of 10.