4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
13.9%
Mattermost fails to scope the WebSocket response around notified usersย to a each user separately resulting in theย WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
CPE | Name | Operator | Version |
---|---|---|---|
github.com/mattermost/mattermost/server/v8 | lt | 8.1.7 | |
github.com/mattermost/mattermost-server/v6 | lt | 8.1.7 |
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.5 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
13.9%