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CVE-2009-4455

6.5 · MEDIUM

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 al…

Published Dec 29, 2009ciscoCWE-264EPSS 1.31%

Overview

CVE-2009-4455 is a medium-severity vulnerability affecting cisco adaptive_security_appliance_5500. It was published on December 29, 2009 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from cisco. Update adaptive_security_appliance_5500 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/61132Refsecunia.com/advisories/37710Reftools.cisco.com/security/center/viewAlert.x?alertId=19609Refwww.securityfocus.com/archive/1/508530/100/0/threadedRefwww.securitytracker.com/id?1023368Refwww.vupen.com/english/advisories/2009/3577Refosvdb.org/61132Refsecunia.com/advisories/37710Reftools.cisco.com/security/center/viewAlert.x?alertId=19609Refwww.securityfocus.com/archive/1/508530/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4455?

CVE-2009-4455 is a medium-severity vulnerability affecting cisco adaptive_security_appliance_5500. It was published on December 29, 2009 and has a CVSS 2.0 base score of 6.5 (MEDIUM).

How severe is CVE-2009-4455?

This vulnerability has a CVSS 2.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2009-4455?

Check the references section for vendor advisories and patches from cisco. Update adaptive_security_appliance_5500 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4455?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4455 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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