Description
An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/
Scores
CVSS v3
4.3
EPSS
0.0015
EPSS Percentile
35.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-732
Status
published
Products (2)
mattermost/mattermost-server
0 - 4.3.3Go
mattermost/mattermost_server
< 4.3.3
Published
Jun 19, 2020
Tracked Since
Feb 18, 2026