Open redirect in FortiProxy and FortiOS - CVE-2023-22641
Published: April 11, 2023
Vulnerability identifier: #VU74852
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-22641
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in sslvpnd. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
FortiProxy
RUGGEDCOM APE1808
FortiOS
RUGGEDCOM APE1808
FortiOS
How to mitigate CVE-2023-22641
Install updates from vendor's website.
FortiProxy - addressed in versions 7.0.9, 7.2.3
FortiOS - addressed in versions 6.4.13, 7.0.10, 7.2.4
FortiOS - addressed in versions 6.4.13, 7.0.10, 7.2.4