Overly permissive cross-domain whitelist in FortiADC and FortiDDoS-F - CVE-2023-25603
Published: November 20, 2023
Vulnerability identifier: #VU83294
CSH Severity: Medium
CVSS v4.0: 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-2023-25603
CWE-ID: CWE-942
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiADC
FortiDDoS-F
FortiADC
FortiDDoS-F
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass the CORS protection mechanism.
The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request in the API. A remote attacker can supply arbitrary value via the "Origin" HTTP header, bypass implemented CORS protection mechanism and perform cross-site scripting attacks against the vulnerable application.
How to mitigate CVE-2023-25603
Install updates from vendor's website.