Information disclosure in Mattermost Server - CVE-2019-20890
Published: June 19, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34228
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: CVE-2019-20890
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 5.7. It allows a bypass of e-mail address discovery restrictions.
Affected software
Mattermost Server
How to mitigate CVE-2019-20890
Install update from vendor's website.
Mattermost Server - update to 5.7.0