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CVE-2009-2453

7.5 · HIGH

Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3 does not apply an access policy when it is defined with the Access Gateway Advanced Edition filters, which allows attackers to…

Published Jul 14, 2009citrixCWE-264EPSS 1.43%

Overview

CVE-2009-2453 is a high-severity vulnerability affecting citrix presentation_server. It was published on July 14, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Citrix XenApp (formerly Presentation Server) 4.5 Hotfix Rollup Pack 3 does not apply an access policy when it is defined with the Access Gateway Advanced Edition filters, which allows attackers to bypass intended access restrictions via unknown vectors.

Remediation

Check the references section for vendor advisories and patches from citrix. Update presentation_server 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/53900Refsecunia.com/advisories/34865Refsupport.citrix.com/article/CTX118792Refwww.securityfocus.com/bid/34691Refwww.securitytracker.com/id?1022114Refwww.vupen.com/english/advisories/2009/1154Refosvdb.org/53900Refsecunia.com/advisories/34865Refsupport.citrix.com/article/CTX118792Refwww.securityfocus.com/bid/34691

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2453?

CVE-2009-2453 is a high-severity vulnerability affecting citrix presentation_server. It was published on July 14, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-2453?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-2453?

Check the references section for vendor advisories and patches from citrix. Update presentation_server 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-2009-2453?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2453 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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