CVE-2018-21255 — Incorrect Permission Assignment in Server
Severity
4.3MEDIUMNVD
EPSS
0.2%
top 64.14%
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 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4