CVE-2009-4440: n/a vulnerability

CVE-2009-4440: Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 07:01 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects the Directory Proxy Server component in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1. Under tight timing conditions, a remote client could inherit another authenticated user's backend connection and privileges. For businesses, the concern is unauthorized access through legacy directory infrastructure. Exposure is most likely in legacy environments still running Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 with Directory Proxy Server enabled. The source bundle does not identify affected operating systems, deployment patterns, or modern Oracle product mappings. Treat this as a high-priority legacy identity infrastructure issue. The described impact is privilege inheritance through a directory proxy, which can affect authentication and authorization decisions. Urgency is highest where affected DPS instances remain reachable by untrusted clients or protect sensitive directory data. Mitigation focus: Check the archived Sun Alert and vendor advisory for patch or upgrade guidance.; Upgrade or retire affected Directory Server Enterprise Edition 6.0 through 6.3.1 deployments.; Restrict Directory Proxy Server access to trusted networks where possible..

Prepared: Jun 28, 2026, 09:59 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 28, 2009, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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