Vulnerability · Published Sep 29, 2023 · Assigned by Mattermost
CVE-2023-5193System Role with manage posts permission can read posts of Direct Messages
Medium 4.9
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 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)0.6%top 52.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server/v6 | 7.8.10 | GHSA-h8wh-f7gw-fwpr |
| Go | github.com/mattermost/mattermost/server/v8 | 8.1.1 | GHSA-h8wh-f7gw-fwpr |
| Go | github.com/mattermost/mattermost/server/v8 | 8.0.2 | GHSA-h8wh-f7gw-fwpr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 0 – through 8.0.10 – through 7.8.98.1.0 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N