CVE-2009-1202 Cross-site scripting in n/a

Medium 4.3 Published 25 Jun 2009 Updated 7 Aug 2024

Remote attackers can bypass URL rewriting protections and execute cross-site scripting attacks on Cisco ASA WebVPN by modifying hex-encoded characters.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2009-1202?

CVE-2009-1202 is a medium-severity cross-site scripting vulnerability in Cisco Adaptive Security Appliance, published on 25 Jun 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

WebVPN on the Cisco Adaptive Security Appliances (ASA) device with software 8.0(4), 8.1.2, and 8.2.1 allows remote attackers to bypass certain protection mechanisms involving URL rewriting and HTML rewriting, and conduct cross-site scripting (XSS) attacks, by modifying the first hex-encoded character in a /+CSCO+ URI, aka Bug ID CSCsy80705.

Weakness: CWE-79

Which versions are affected by CVE-2009-1202?

It affects 1 product.

Products include Cisco Adaptive Security Appliance.

How do I fix CVE-2009-1202?

No fix has been published for CVE-2009-1202 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2009-1202 being exploited?

There is no known exploitation of CVE-2009-1202 in the wild and no public exploit code.

All Cisco Adaptive Security Appliance vulnerabilities

Sources

Also known as GHSA-9634-hx95-7px5.