Vulnerability · Published May 12, 2023 · Assigned by Mattermost
CVE-2023-2515Privilege escalation to system admin via personal access tokens
Medium 4.7
In plain English
A medium-severity incorrect authorization 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 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server/v6 | 7.1.8 | GHSA-7g2v-2frm-rg94 |
| Go | github.com/mattermost/mattermost-server/v6 | 7.7.4 | GHSA-7g2v-2frm-rg94 |
| Go | github.com/mattermost/mattermost-server/v6 | 7.8.3 | GHSA-7g2v-2frm-rg94 |
| Go | github.com/mattermost/mattermost-server/v6 | 7.9.2 | GHSA-7g2v-2frm-rg94 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 0 – through 7.1.70 – through 7.7.30 – through 7.8.20 – through 7.9.1 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L