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    CVE-2009-2453

    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.

    Published:Jul 14, 2009
    Last Modified:Apr 23, 2026
    EPS:Jul 14, 2009
    EPSS Score:0.00727
    CVSS Score:7.5

    Affected Products

    Vendor
    Citrix
    Product
    Presentation Server
    Vendor
    Citrix
    Product
    Xenapp

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2008-5107 (CVSS 1.9) — The installation process for Citrix Presentation Server 4.5 and Desktop Server 1.0, when MSI logging is enable…
    CVE-2008-4676 (CVSS 6.8) — Unspecified vulnerability in Citrix XenApp (formerly Presentation Server) 4.5 Feature Pack 1 and earlier, Pres…
    CVE-2008-2299 (CVSS 5) — Unspecified vulnerability in SecureICA and ICA Basic encryption of Citrix Presentation Server 4.5 and earlier,…
    CVE-2008-0356 (CVSS 10) — Buffer overflow in the Independent Management Architecture (IMA) service in Citrix Presentation Server (MetaFr…
    CVE-2006-3779 (CVSS 6.5) — Citrix MetaFrame up to XP 1.0 Feature 1, except when running on Windows Server 2003, installs a registry key w…
    CVE-2002-2426 (CVSS 4.3) — Cross-site request forgery (CSRF) vulnerability in Citrix Presentation Server 4.0 and 4.5, MetaFrame Presentat…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High