Information disclosure in Mattermost Server - CVE-2017-18895
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30206
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18895
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to obtain sensitive information (user statuses) via a REST API version 4 endpoint.
Affected software
Mattermost Server
How to mitigate CVE-2017-18895
Install update from vendor's website.
Mattermost Server - update to 4.1.1