CVE-2023-1775
Medium
Description
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mattermost Server
PublishedMar 31, 2023
First seenMar 31, 2023
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- mattermost mattermost_server7.1.6 or later
- github.com/mattermost/mattermost-server7.1.6, 7.7.2 or later
- github.com/mattermost/mattermost-server/v57.1.6 or later
- github.com/mattermost/mattermost-server/v67.1.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost_server | v < 7.1.6, 7.7.1 | 7.1.6 |
| github.com/mattermost/mattermost-serverGo | 3.3.0 ≤ v < 7.1.6, 7.7.0 ≤ v < 7.7.2, 7.1.0 ≤ v < 7.1.6 | 7.1.6, 7.7.2 |
| github.com/mattermost/mattermost-server/v5Go | 5.0.0 ≤ v < 7.1.6 | 7.1.6 |
| github.com/mattermost/mattermost-server/v6Go | 6.0.0 ≤ v < 7.1.6 | 7.1.6 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.