Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Mon, 14 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
|
epss
|
Sun, 13 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
|
epss
|
Fri, 14 Feb 2025 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 14 Feb 2025 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database. | |
| Title | Leaked User IDs and Metadata of Deleted DMs | |
| Weaknesses | CWE-754 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: Mattermost
Published: 2025-02-14T17:52:17.895Z
Updated: 2025-02-14T18:09:02.166Z
Reserved: 2025-01-15T18:13:55.213Z
Link: CVE-2025-0503
Updated: 2025-02-14T18:08:57.286Z
Status : Received
Published: 2025-02-14T18:15:23.870
Modified: 2025-02-14T18:15:23.870
Link: CVE-2025-0503
No data.