CVE-2019-20887
MEDIUMMattermost Server < 4.10.6 - Missing Authorization for Intra-Team Post Access
Title source: llmDescription
An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://mattermost.com/security-updates/
Scores
CVSS v3
4.3
EPSS
0.0011
EPSS Percentile
29.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-862
Status
published
Products (1)
mattermost/mattermost_server
< 4.10.6
Published
Jun 19, 2020
Tracked Since
Feb 18, 2026