#VU63468 Open redirect in mod_auth_mellon - CVE-2021-3639
Published: May 20, 2022 / Updated: May 20, 2022
Vulnerability identifier: #VU63468
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3639
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
mod_auth_mellon
mod_auth_mellon
Software vendor:
John Dennis
John Dennis
Description
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of logout URLs in mod_auth_mellon. A remote attacker can create a link that leads to a trusted website, trick the victim to open it and redirect to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Remediation
Install updates from vendor's website.