Vulnerability · Published Feb 29, 2024 · Assigned by Mattermost
CVE-2024-1942
Medium 4.3
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 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 70.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 9.2.5+incompatible, 9.3.1+incompatible | GO-2024-2592 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-2592 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-2592 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.2.5 | GHSA-hwjf-4667-gqwx |
| Go | github.com/mattermost/mattermost/server/v8 | 8.1.9 | GHSA-hwjf-4667-gqwx |
| Go | github.com/mattermost/mattermost/server/v8 | 9.3.1 | GHSA-hwjf-4667-gqwx |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-2592 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.2.0 – through 9.2.48.1.0 – through 8.1.89.3.0 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N