GitHub Advisory DatabaseGHSA-JJ46-9CGH-QMFXMattermost Improper Access Control vulnerability
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
7 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
14.0%
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| github.com/mattermost/mattermost-server/v6 | lt | 7.8.13 | |
| github.com/mattermost/mattermost/server/v8 | lt | 8.1.4 |
Related
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
7 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
14.0%