CVE-2009-4441
CVE-2009-4441 is a medium-severity vulnerability in Sun Java System Directory Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 2% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Sun Java System Directory Server
- Published:
- Last modified:
Description
Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not enable the SO_KEEPALIVE socket option, which makes it easier for remote attackers to cause a denial of service (connection slot exhaustion) via multiple connections, aka Bug Id 6782659.
Frequently asked questions
- What is CVE-2009-4441?
- Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not enable the SO_KEEPALIVE socket option, which makes it easier for remote attackers to cause a denial of service (connection slot exhaustion) via multiple connections, aka Bug Id 6782659.
- How severe is CVE-2009-4441?
- CVE-2009-4441 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2009-4441 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4441?
- CVE-2009-4441 primarily affects Sun Java System Directory Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-4441?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-4441 published?
- CVE-2009-4441 was published on 2009-12-28 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/37915
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1
- http://www.securityfocus.com/bid/37481
- http://www.securitytracker.com/id?1023389
- http://www.vupen.com/english/advisories/2009/3647
Affected products (5)
- cpe:2.3:a:sun:java_system_directory_server:6.0:*:enterprise:*:*:*:*:*
- cpe:2.3:a:sun:java_system_directory_server:6.1:enterprise:*:*:*:*:*:*
- cpe:2.3:a:sun:java_system_directory_server:6.2:enterprise:*:*:*:*:*:*
- cpe:2.3:a:sun:java_system_directory_server:6.3:enterprise:*:*:*:*:*:*
- cpe:2.3:a:sun:java_system_directory_server:6.3.1:enterprise:*:*:*:*:*:*
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