CVE-2023-1774
Medium
Description
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
SeverityMedium
CVSS4.2
Exploit probability—
Product
Mattermost Server
PublishedMar 31, 2023
First seenMar 31, 2023
Weakness typeCWE-862Missing authorization
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 |
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