Improper Privilege Management in Mattermost Server - CVE-2019-20859

 

Improper Privilege Management in Mattermost Server - CVE-2019-20859

Published: June 19, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30248
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20859
CWE-ID: CWE-269
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 non-authenticated attacker to gain access to sensitive information.

An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.


How to mitigate CVE-2019-20859

Install update from vendor's website.

Sources