CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCVE-2024-23488
Medium (4.3) in mattermost mattermost server. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.9, 9.4.2.
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
- CWE
- CWE-284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-xgxj-j98c-59rv | Go | github.com/mattermost/mattermost/server/v8 | >=9.0.0 <9.4.2 | 9.4.2 |
| GHSA-xgxj-j98c-59rv | Go | github.com/mattermost/mattermost/server/v8 | <8.1.9 | 8.1.9 |
| GO-2024-2595 | Go | github.com/mattermost/mattermost-server | >=9.0.0+incompatible <9.4.2+incompatible | 9.4.2+incompatible |
| GO-2024-2595 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2024-2595 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2024-2595 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |