{"id":"CVE-2009-4440","aliases":["EUVD-2009-4407","GHSA-pwc8-mq5g-v7jf"],"status":"published","title":"Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6...","description":"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.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01604,"percentile":0.7602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2009-12-28T19:00:00Z","modified":"2026-06-16T23:13:40Z","products":[{"vendor":"sun","product":"java_system_directory_server"}],"references":[{"url":"http://www.vupen.com/english/advisories/2009/3647","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-21-141958-01-1","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/37481","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id?1023389","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-66-270789-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://secunia.com/advisories/37915","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4440"},{"url":"https://github.com/advisories/GHSA-pwc8-mq5g-v7jf"}],"sources":{"cve":[{"id":"CVE-2009-4440","description":"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.","status":"published","published":"2009-12-28T19:00:00Z","modified":"2024-08-07T07:01:20.71Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4407","description":"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.","status":"published","published":"2009-12-28T19:00:00Z","modified":"2024-08-07T07:01:20Z","updated_at":"2026-11-03T01:39:10.134983Z"}],"ghsa":[{"id":"GHSA-pwc8-mq5g-v7jf","title":"Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6...","description":"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.","status":"published","published":"2022-05-02T03:54:50Z","modified":"2023-01-31T05:08:40Z","cwes":["CWE-362"],"updated_at":"2026-11-02T14:49:26.159542Z"}],"nvd":[{"id":"CVE-2009-4440","description":"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.","status":"published","published":"2009-12-28T19:30:00.453Z","modified":"2026-06-16T23:13:40.33Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:01:38.33745Z"}]}}