CVE-2025-27933
March 21, 2025
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
Affected Packages
https://github.com/mattermost/mattermost.git (GITHUB):
Affected version(s) >=v10.4.0 <v10.4.3Fix Suggestion:
Update to version v10.4.3https://github.com/mattermost/mattermost.git (GITHUB):
Affected version(s) >=v10.3.0 <v10.3.4Fix Suggestion:
Update to version v10.3.4https://github.com/mattermost/mattermost.git (GITHUB):
Affected version(s) >=v9.11.0 <v9.11.9Fix Suggestion:
Update to version v9.11.9github.com/mattermost/mattermost (GO):
Affected version(s) >=v9.11.0+incompatible <v9.11.9Fix Suggestion:
Update to version v9.11.9github.com/mattermost/mattermost/server/v8 (GO):
Affected version(s) >=v8.0.0-20230429093631-aac4f2337933 <v8.0.0-20250218135018-e644e3c8e393Fix Suggestion:
Update to version v8.0.0-20250218135018-e644e3c8e393github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.3.0 <v10.3.4Fix Suggestion:
Update to version v10.3.4github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.4.0 <v10.4.3Fix Suggestion:
Update to version v10.4.3Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.11
