Is CVE-2009-0609 being actively exploited?

CVE-2009-0609 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-0609?

CVE-2009-0609 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2009-0609

HIGH · CVSS 7.8EPSS 2.5%EU EUVD

Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-0612)
Published: February 17, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0612 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

sun / java system directory server
sun / java system directory server
sun / java system directory server
sun / java system directory server

References

http://secunia.com/advisories/33923(Vendor Advisory)
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1(Patch, Vendor Advisory)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1(Patch, Vendor Advisory)
http://www.securityfocus.com/bid/33761

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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