Incorrect default permissions in Mattermost Server - CVE-2017-18915
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30182
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18915
CWE-ID: CWE-276
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. After a restart of a server, an attacker might suddenly gain API Endpoint access.
Affected software
Mattermost Server
How to mitigate CVE-2017-18915
Install update from vendor's website.
Mattermost Server - update to 3.8.2