Cross-site request forgery in Mattermost Server - CVE-2019-20841
Published: June 19, 2020 / Updated: April 20, 2023
Vulnerability identifier: #VU34242
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20841
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mattermost Server
Mattermost Server
Software vendor:
Mattermost, Inc.
Mattermost, Inc.
Description
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as sometimes occur via a crafted web site for account takeover attacks.
Remediation
Install update from vendor's website.