CVE-2023-1775
Mattermost vulnerable to information disclosure
6.5
MEDIUM
CVSS 3.1
EPSS 0.31%
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.
How to fix CVE-2023-1775
To remediate CVE-2023-1775, upgrade the affected package to a fixed version below.
- —upgrade to 7.1.6 or later
- —upgrade to 7.1.6 or later
- —upgrade to 7.1.6 or later
- —upgrade to 7.1.6 or later
Is CVE-2023-1775 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 7.1.6 | >= 7.7.1, <= 7.7.1
- >= 3.3.0, < 7.1.6
- >= 5.0.0, < 7.1.6
- >= 6.0.0, < 7.1.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |