Improper Authentication in Mattermost Server - CVE-2017-18919
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30186
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18919
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
An issue was discovered in Mattermost Server before 3.7.0 and 3.6.3. Attackers can use the API for unauthenticated team creation.
Affected software
Mattermost Server
How to mitigate CVE-2017-18919
Install update from vendor's website.
Mattermost Server - update to 3.6.3