CVE-2009-4441
mediumpriority · track · 21EPSS 0.025 · 85 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
- sun java system directory server= 6.0nvdUScpe:2.3:a:sun:java_system_directory_server:*:*:*:*:*:*:*:*
- sun java system directory server= 6.1nvdUScpe:2.3:a:sun:java_system_directory_server:*:*:*:*:*:*:*:*
- sun java system directory server= 6.2nvdUScpe:2.3:a:sun:java_system_directory_server:*:*:*:*:*:*:*:*
- sun java system directory server= 6.3nvdUScpe:2.3:a:sun:java_system_directory_server:*:*:*:*:*:*:*:*
- sun java system directory server= 6.3.1nvdUScpe:2.3:a:sun:java_system_directory_server:*:*:*:*:*:*:*:*
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- http://secunia.com/advisories/37915enisa_euvd
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1enisa_euvd
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1enisa_euvd
- http://www.securityfocus.com/bid/37481enisa_euvd
- http://www.securitytracker.com/id?1023389enisa_euvd
- http://www.vupen.com/english/advisories/2009/3647enisa_euvd
- http://secunia.com/advisories/37915nvd
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1Patchnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan