Vulnerability · Published Apr 5, 2024 · Assigned by Mattermost
CVE-2024-2447
Medium 6.5
In plain English
A medium-severity improper access control in Mattermost from Mattermost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 87.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 9.3.3+incompatible, 9.4.4+incompatible, 9.5.2+incompatible | GO-2024-2696 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-2696 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-2696 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.3.3 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | 8.1.11 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-2696 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.5.2 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.4.4 | GHSA-wp43-vprh-c3w5 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.5.0 – through 9.5.19.4.0 – through 9.4.39.3.0 – through 9.3.28.1.0 – through 8.1.10 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N