CVE-2009-4440 json
Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly handle multiple cli…
published 16y ago modified 4mo ago also EUVD-2009-4407
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly handle multiple client connections within a short time window, which allows remote attackers to hijack the backend connection of an authenticated user, and obtain the privileges of this user, by making a client connection in opportunistic circumstances, related to "long binds," aka Bug Ids 6828462 and 6823593.
Patch / fix
Is CVE-2009-4440 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.60% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
sunsolve.sun.com
/search/document.do?assetkey=1-66-270789-1
vendor-advisory, patch
-
sunsolve.sun.com
/search/document.do?assetkey=1-21-141958-01-1
patch
-
vupen.com
/english/advisories/2009/3647
vdb-entry
-
securityfocus.com
/bid/37481
vdb-entry
-
securitytracker.com
/id?1023389
vdb-entry
-
secunia.com
/advisories/37915
third-party-advisory
Sources
- CVE List CVE-2009-4440
- NVD CVE-2009-4440
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