Description
An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/
Scores
CVSS v3
6.5
EPSS
0.0013
EPSS Percentile
32.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Details
CWE
CWE-924
Status
published
Products (2)
mattermost/mattermost_server
5.18.0 rc1 (4 CPE variants)
mattermost/mattermost_server
< 5.9.7
Published
Jun 19, 2020
Tracked Since
Feb 18, 2026