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    CVE-2009-4442

    Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly implement the max-client-connections configuration setting, which allows remote attackers to cause a denial of service (connection slot exhaustion) by making multiple connections and performing no operations on these connections, aka Bug Id 6648665.

    Published:Dec 28, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 28, 2009
    EPSS Score:0.01331
    CVSS Score:5

    Affected Products

    Vendor
    Sun
    Product
    Java System Directory Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2010-0313 (CVSS 5) — The core_get_proxyauth_dn function in ns-slapd in Sun Java System Directory Server Enterprise Edition 7.0 allo…
    CVE-2009-4440 (CVSS 6.8) — Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not…
    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-2009-1332 (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