What is CVE-2026-20098?

CVE-2026-20098 is a high-severity vulnerability in Cisco Meeting Management, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-02-04.

How severe is CVE-2026-20098?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Cisco Meeting Management

CVE-2026-20098

A vulnerability in the Certificate Management feature of Cisco Meeting Management could allow an authenticated, remote attacker to upload arbitrary files, execute arbitrary commands, and elevate privileges to root on an affected system. …

Vulnerability class: Unrestricted File Upload

EPSS: 0.007 (72.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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-434 — Unrestricted Upload of File with Dangerous Type

References

cisco-sa-cmm-file-up-kY47n8kK

Frequently asked questions

What is CVE-2026-20098?: CVE-2026-20098 is a high-severity vulnerability in Cisco Meeting Management, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-02-04.
How severe is CVE-2026-20098?: High severity. CVSS v3 base score is 8.8 out of 10.