Incorrect permission assignment for critical resource in Mattermost Server - CVE-2018-21253
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30227
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-21253
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to manipulate data.
An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.
Affected software
Mattermost Server
How to mitigate CVE-2018-21253
Install update from vendor's website.
Mattermost Server - update to 5.0.2