CVE-2009-4442

Name: CVE-2009-4442
Creator: NVD / NIST
Published: 2009-12-28T19:30:00.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.48%

Last modified Jun 16, 2026

CVE-2009-4442 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.48% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.48%

82.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-16

Affected Software

Vendor	Product	Versions	Update
Sun	Java System Directory Server	6.0	—
Sun	Java System Directory Server	6.1	Enterprise
Sun	Java System Directory Server	6.2	Enterprise
Sun	Java System Directory Server	6.3	Enterprise
Sun	Java System Directory Server	6.3.1	Enterprise

References

Timeline

Published: Dec 28, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-4442?

How severe is CVE-2009-4442?

Severity scoring for CVE-2009-4442 is pending analysis. The EPSS model estimates a 2.48% probability of exploitation in the next 30 days.

How do I fix CVE-2009-4442?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-4442?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST