CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NCVE-2024-2447
Medium (6.5) in mattermost mattermost server. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.11, 9.3.3, 9.4.4.
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-346, CWE-284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wp43-vprh-c3w5 | Go | github.com/mattermost/mattermost/server/v8 | >=8.1.0 <8.1.11 | 8.1.11 |
| GHSA-wp43-vprh-c3w5 | Go | github.com/mattermost/mattermost/server/v8 | >=9.5.0 <9.5.2 | 9.5.2 |
| GHSA-wp43-vprh-c3w5 | Go | github.com/mattermost/mattermost/server/v8 | >=9.4.0 <9.4.4 | 9.4.4 |
| GHSA-wp43-vprh-c3w5 | Go | github.com/mattermost/mattermost/server/v8 | >=9.3.0 <9.3.3 | 9.3.3 |
| GO-2024-2696 | Go | github.com/mattermost/mattermost-server | >=9.3.0+incompatible <9.3.3+incompatible >=9.4.0+incompatible <9.4.4+incompatible >=9.5.0+incompatible <9.5.2+incompatible | 9.3.3+incompatible, 9.4.4+incompatible, 9.5.2+incompatible |
| GO-2024-2696 | Go | github.com/mattermost/mattermost-server/v5 | all versions | no fix published |
| GO-2024-2696 | Go | github.com/mattermost/mattermost-server/v6 | all versions | no fix published |
| GO-2024-2696 | Go | github.com/mattermost/mattermost/server/v8 | all versions | no fix published |