CVE-2009-4455 Security feature bypass in n/a
Authenticated users can bypass WebVPN access restrictions to reach unauthorized backend servers via obfuscated URLs in Cisco ASA devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2009-4455?
CVE-2009-4455 is a medium-severity vulnerability in n/a, published on 29 Dec 2009. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The default configuration of Cisco ASA 5500 Series Adaptive Security Appliance (Cisco ASA) 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2 allows portal traffic to access arbitrary backend servers, which might allow remote authenticated users to bypass intended access restrictions and access unauthorized web sites via a crafted URL obfuscated with ROT13 and a certain encoding. NOTE: this issue was originally reported as a vulnerability related to lack of restrictions to URLs listed in the Cisco WebVPN bookmark component, but the vendor states that "The bookmark feature is not a security feature."
Weakness: CWE-264
Which versions are affected by CVE-2009-4455?
It affects 1 product.
Products include Cisco Adaptive Security Appliance 5500.
How do I fix CVE-2009-4455?
No fix has been published for CVE-2009-4455 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-4455 being exploited?
There is no known exploitation of CVE-2009-4455 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gmxh-fcvg-35xj.