Information disclosure in Mattermost Server - CVE-2019-20873
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30245
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-20873
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to gain access to sensitive information.
An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information during user activation/deactivation.
Affected software
Mattermost Server
How to mitigate CVE-2019-20873
Install update from vendor's website.
Mattermost Server - update to 5.8.1