Information disclosure in Mattermost Server - CVE-2018-21260

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Main Vulnerability Database Vulnerabilities #VU30229

Information disclosure in Mattermost Server - CVE-2018-21260

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


Vulnerability identifier: #VU30229
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-21260
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mattermost Server
Software vendor:
Mattermost, Inc.

Description

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

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.


Remediation

Install update from vendor's website.

External links