CVE-2009-4443
CVE-2009-4443 is a medium-severity vulnerability in Sun Java System Directory Server with a CVSS 2.0 base score of 4.3. 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 4.3)
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Sun Java System Directory Server
- Published:
- Last modified:
Description
Unspecified vulnerability in the psearch (aka persistent search) functionality in Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 allows remote attackers to cause a denial of service (psearch outage) by using a crafted psearch client to send requests that trigger a psearch thread loop, aka Bug Id 6855978.
Frequently asked questions
- What is CVE-2009-4443?
- Unspecified vulnerability in the psearch (aka persistent search) functionality in Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 allows remote attackers to cause a denial of service (psearch outage) by using a crafted psearch client to send requests that trigger a psearch thread loop, aka Bug Id 6855978.
- How severe is CVE-2009-4443?
- CVE-2009-4443 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2009-4443 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4443?
- CVE-2009-4443 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-2009-4443?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-4443 published?
- CVE-2009-4443 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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