Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not enable the SO_KEEPALIVE socke
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.
- Published
- Dec 28, 2009
- Updated
- Jun 16, 2026
- EPSS
- 2.5% · 84th percentile
- CWE
- —
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.5%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| sun | java system directory server | cpe:2.3:a:sun:java_system_directory_server |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- sun java system directory server6.0
- sun java system directory server6.1
- sun java system directory server6.2
- sun java system directory server6.3
- sun java system directory server6.3.1
Same product
sun: all recordsOther highest-scoring records for the same primary product.
- CVE-2009-0609Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is us32Monitor
- CVE-2009-0576Unspecified vulnerability in Sun Java System Directory Server 5.2 p6 and earlier, and Enterprise Edition 5, allows remote attackers to cause32Monitor
- CVE-2007-2466Unspecified vulnerability in the LDAP Software Development Kit (SDK) for C, as used in Sun Java System Directory Server 5.2 up to Patch 4 an32Monitor
- CVE-2006-4175The LDAP server (ns-slapd) in Sun Java System Directory Server 5.2 Patch4 and earlier and ONE Directory Server 5.1 and 5.2 allows remote att32Monitor
- CVE-2008-1995Sun Java System Directory Proxy Server 6.0, 6.1, and 6.2 classifies a connection using the "bind-dn" criteria, which can cause an incorrect 31Monitor
- CVE-2006-2513Unspecified vulnerability in the installation process in Sun Java System Directory Server 5.2 causes wrong user data to be written to a file31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- secunia.com/advisories/37915
- sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1
- sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1
- www.securityfocus.com/bid/37481
- www.securitytracker.com/id?1023389
- www.vupen.com/english/advisories/2009/3647
Vendor advisories and official records. Exploit/PoC links are deliberately left out.