Information disclosure in Mattermost Server - CVE-2019-20890

 

Information disclosure in Mattermost Server - CVE-2019-20890

Published: June 19, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34228
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-20890
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mattermost, Inc.
Affected software:
Mattermost Server

Detailed vulnerability description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.


How to mitigate CVE-2019-20890

Install update from vendor's website.

Sources