7.5
CWE
264
Advisory Published
Updated

CVE-2009-2453

First published: Tue Jul 14 2009(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Citrix MetaFrame Presentation Server=4.5
Citrix MetaFrame Presentation Server=4.5
Citrix MetaFrame Presentation Server=4.5
Citrix MetaFrame Presentation Server=4.5-fp1
Citrix XenApp=4.5-fp3

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2009-2453?

    CVE-2009-2453 is considered to have a medium severity due to the risk of unauthorized access.

  • How do I fix CVE-2009-2453?

    To fix CVE-2009-2453, update your Citrix XenApp to the latest version or apply relevant patches and configurations.

  • What products are affected by CVE-2009-2453?

    CVE-2009-2453 affects Citrix Presentation Server 4.5 and Citrix XenApp 4.5.

  • What type of vulnerability is CVE-2009-2453?

    CVE-2009-2453 is an access control vulnerability that allows attackers to bypass intended restrictions.

  • Can CVE-2009-2453 be exploited remotely?

    Yes, CVE-2009-2453 can potentially be exploited remotely due to the nature of the access policy issue.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203