CVE-2019-20887 — Missing Authorization in Server
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 70.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 19
Latest updateMay 24
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4