Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Security Impact Summary

CVE-2009-4440 is a security vulnerability that . Impacting 1 product from sun organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-12-28T19:30:00.453

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-362

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	sun	java_system_directory_server	6.0	Yes
Application	sun	java_system_directory_server	6.1	Yes
Application	sun	java_system_directory_server	6.2	Yes
Application	sun	java_system_directory_server	6.3	Yes

References

http://secunia.com/advisories/37915 ([email protected])
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1 Patch ([email protected])
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/37481 ([email protected])
http://www.securitytracker.com/id?1023389 ([email protected])
http://www.vupen.com/english/advisories/2009/3647 ([email protected])
http://secunia.com/advisories/37915 (af854a3a-2127-422b-91ae-364da2661108)
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/37481 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1023389 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/3647 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For sun's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.