Vulnerability · Published Jan 2, 2024 · Assigned by Mattermost
CVE-2023-50333Lack of restriction to manage group names for freshly demoted guests
Low 3.7
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 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | no fix listed | GO-2024-2444 |
| Go | github.com/mattermost/mattermost-server/v5 | no fix listed | GO-2024-2444 |
| Go | github.com/mattermost/mattermost-server/v6 | no fix listed | GO-2024-2444 |
| Go | github.com/mattermost/mattermost/server/v8 | 8.1.7 | GHSA-9w97-9rqx-8v4j |
| Go | github.com/mattermost/mattermost/server/v8 | no fix listed | GO-2024-2444 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 0 – through 9.2.20 – through 8.1.6 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L