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    CVE-2009-4440

    Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly handle multiple client connections within a short time window, which allows remote attackers to hijack the backend connection of an authenticated user, and obtain the privileges of this user, by making a client connection in opportunistic circumstances, related to "long binds," aka Bug Ids 6828462 and 6823593.

    Published:Dec 28, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 28, 2009
    EPSS Score:0.01144
    CVSS Score:6.8

    Affected Products

    Vendor
    Sun
    Product
    Java System Directory Server

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2009-4441 (CVSS 5) — Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not…
    CVE-2009-4443 (CVSS 4.3) — Unspecified vulnerability in the psearch (aka persistent search) functionality in Directory Proxy Server (DPS)…
    CVE-2009-4442 (CVSS 5) — Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not…
    CVE-2009-1332 (CVSS 5) — The Online Help feature in Sun Java System Directory Server 5.2 and Enterprise Edition 5 allows remote attacke…
    CVE-2009-0609 (CVSS 7.8) — Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3,…
    CVE-2009-0576 (CVSS 7.8) — Unspecified vulnerability in Sun Java System Directory Server 5.2 p6 and earlier, and Enterprise Edition 5, al…
    CVE-2008-1995 (CVSS 7.5) — Sun Java System Directory Proxy Server 6.0, 6.1, and 6.2 classifies a connection using the "bind-dn" criteria,…
    CVE-2007-3224 (CVSS 5) — Unspecified vulnerability in Sun ONE/Java System Directory Server (slapd) 6.0, and 5.x before 5.2 Patch 5, all…

    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