CVE-2025-20268 Cisco Secure Firewall Threat Defense Software Geolocation Remote Access VPN Bypass Vulnerability
An unauthenticated remote attacker can bypass geolocation-based VPN access controls by sending crafted HTTP requests, gaining unauthorized network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20268?
CVE-2025-20268 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, published on 14 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Geolocation-Based Remote Access (RA) VPN feature of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies to allow or deny HTTP connections based on a country or region. This vulnerability exists because the URL string is not fully parsed. An attacker could exploit this vulnerability by sending a crafted HTTP connection through the targeted device. A successful exploit could allow the attacker to bypass configured policies and gain access to a network where the connection should have been denied.
Weakness: CWE-229
Which versions are affected by CVE-2025-20268?
How do I fix CVE-2025-20268?
No fix has been published for CVE-2025-20268 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-20268 being exploited?
There is no known exploitation of CVE-2025-20268 in the wild and no public exploit code.
Sources
Also known as GHSA-6f5f-5ghv-m9h2.