Vulnerability · Published Apr 26, 2024 · Assigned by Mattermost
CVE-2024-4195
Low 2.7
In plain English
A low-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 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 9.5.3 | GHSA-5fh7-7mw7-mmx5 |
| Go | github.com/mattermost/mattermost-server | 8.1.12 | GHSA-5fh7-7mw7-mmx5 |
| Go | github.com/mattermost/mattermost-server | 8.1.12+incompatible, 9.5.3+incompatible | GO-2024-2793 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.6.09.5.0 – through 9.5.28.1.0 – through 8.1.11 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N