Vulnerability · Published Aug 1, 2024 · Assigned by Mattermost
CVE-2024-36492Existing local user overwritten by malicious remote
High 7.4
In plain English
A high-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 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | 9.5.7+incompatible, 9.7.6+incompatible, 9.8.2+incompatible, 9.9.1+incompatible | GO-2024-3025 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-3025 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-3025 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.9.1 | GHSA-56mc-f9w7-2wxq |
| Go | github.com/mattermost/mattermost/server/v8 | 9.5.7 | GHSA-56mc-f9w7-2wxq |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-3025 |
| Go | github.com/mattermost/mattermost/server/v8 | 9.7.6 | GHSA-56mc-f9w7-2wxq |
| Go | github.com/mattermost/mattermost/server/v8 | 9.8.2 | GHSA-56mc-f9w7-2wxq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 9.9.09.5.0 – through 9.5.69.7.0 – through 9.7.59.8.0 – through 9.8.1 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L