#VU50774 Input validation error in Mattermost Server

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Main Vulnerability Database Vulnerabilities #VU50774

#VU50774 Input validation error in Mattermost Server

Published: February 17, 2021


Vulnerability identifier: #VU50774
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mattermost Server
Software vendor:
Mattermost, Inc.

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input in image proxy component for URLs. A remote attacker can bypass implemented security restrictions.


Remediation

Install updates from vendor's website.

External links