CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2024-4183
Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-770, CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost_server
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wj37-mpq9-xrcm | Go | github.com/mattermost/mattermost-server | >=9.6.0-rc1 <9.6.1 | 9.6.1 |
| GHSA-wj37-mpq9-xrcm | Go | github.com/mattermost/mattermost-server | >=9.5.0 <9.5.3 | 9.5.3 |
| GHSA-wj37-mpq9-xrcm | Go | github.com/mattermost/mattermost-server | >=9.4.0 <9.4.5 | 9.4.5 |
| GHSA-wj37-mpq9-xrcm | Go | github.com/mattermost/mattermost-server | >=8.1.0 <8.1.12 | 8.1.12 |
| GO-2024-2798 | Go | github.com/mattermost/mattermost-server | >=8.1.0+incompatible <8.1.12+incompatible >=9.4.0+incompatible <9.4.5+incompatible >=9.5.0+incompatible <9.5.3+incompatible >=9.6.0-rc1+incompatible <9.6.1+incompatible | 8.1.12+incompatible, 9.4.5+incompatible, 9.5.3+incompatible, 9.6.1+incompatible |