CVE-2024-39837
August 01, 2024
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.
Affected Packages
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v9.5.0 <v9.5.7Fix Suggestion:
Update to version v9.5.7github.com/mattermost/mattermost/server/v8 (GO):
Affected version(s) >=v8.0.0-20230429093631-aac4f2337933 <v8.0.0-20240626164322-c758cecaf30cFix Suggestion:
Update to version v8.0.0-20240626164322-c758cecaf30cgithub.com/mattermost/mattermost-server (GO):
Affected version(s) >=v9.9.0 <v9.9.1Fix Suggestion:
Update to version v9.9.1github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v9.9.0 <v9.9.1Fix Suggestion:
Update to version v9.9.1github.com/mattermost/mattermost/server/v8 (GO):
Affected version(s) >=v8.0.0-20230429093631-aac4f2337933 <v8.0.0-20240626164322-c758cecaf30cFix Suggestion:
Update to version v8.0.0-20240626164322-c758cecaf30cRelated Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
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:
3.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Access Control
EPSS
Base Score:
0.30
