Vulnerability · Published Apr 26, 2024 · Assigned by Mattermost
CVE-2024-4182
Medium 4.3
In plain English
A medium-severity security flaw 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 0.6% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.6%top 53.7% 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, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 8.1.12 | GHSA-8f99-g2pj-x8w3 |
| Go | github.com/mattermost/mattermost-server | 9.4.5 | GHSA-8f99-g2pj-x8w3 |
| Go | github.com/mattermost/mattermost-server | 9.5.3 | GHSA-8f99-g2pj-x8w3 |
| Go | github.com/mattermost/mattermost-server | 9.6.1 | GHSA-8f99-g2pj-x8w3 |
| Go | github.com/mattermost/mattermost-server | 8.1.12+incompatible, 9.4.5+incompatible, 9.5.3+incompatible, 9.6.1+incompatible | GO-2024-2795 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.6.09.5.0 – through 9.5.29.4.0 – through 9.4.48.1.0 – through 8.1.11 |
Weakness: CWE-754 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L