๐Ÿ” CVE Alert

CVE-2026-20098

HIGH 8.8

Cisco Meeting Management Arbitrary File Upload Vulnerability

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

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. This vulnerability is due to improper input validation in certain sections of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to upload arbitrary files to the affected system. The malicious files could overwrite system files that are processed by the root system account and allow arbitrary command execution with root privileges. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of video operator.

CWE CWE-434
Vendor cisco
Product cisco meeting management
Ecosystems
Industries
NetworkingTelecommunications
Published Feb 4, 2026
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Cisco / Cisco Meeting Management
CMM3.4.0 CMM3.2.0 CMM2.9.1 CMM2.9.0 CMM3.1.0 CMM3.5.0 CMM3.6.0 CMM3.6.1 CMM3.7.0 CMM3.8.0 CMM3.9.0 CMM3.10.0 CMM3.9.1 CMM3.11.0 CMM3.12.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
sec.cloudapps.cisco.com: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmm-file-up-kY47n8kK