{"id":"CVE-2023-40052","aliases":["EUVD-2023-44659","GHSA-559p-m25r-rqhm"],"status":"published","title":"Progress Application Server (PAS) for OpenEdge Denial of Service","description":"This issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0\n\n. \n\nAn attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0057,"percentile":0.47649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2024-01-18T15:11:51Z","modified":"2026-06-17T06:15:57Z","products":[{"vendor":"progress","product":"openedge"},{"vendor":"progress","product":"openedge_innovation"},{"vendor":"progress software corporation","product":"openedge"}],"references":[{"url":"https://www.progress.com/openedge","tags":["product","x_transferred","Product"]},{"url":"https://community.progress.com/s/article/Important-Progress-OpenEdge-Product-Alert-for-Progress-Application-Server-for-OpenEdge-PASOE-Denial-of-Service-Vulnerability-in-WEB-Transport","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40052"},{"url":"https://github.com/advisories/GHSA-559p-m25r-rqhm"}],"sources":{"cve":[{"id":"CVE-2023-40052","title":"Progress Application Server (PAS) for OpenEdge Denial of Service","description":"\n\n\nThis issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0\n\n. \n\nAn attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.\n\n\n\n\n\n","status":"published","published":"2024-01-18T15:11:51.468Z","modified":"2024-08-29T19:52:53.852Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44659","description":"\n\n\nThis issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0\n\n. \n\nAn attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.\n\n\n\n\n\n","status":"published","published":"2024-01-18T15:11:51Z","modified":"2024-08-29T19:52:53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:56:07.428873Z"}],"ghsa":[{"id":"GHSA-559p-m25r-rqhm","title":"\n\n\nThis issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11...","description":"\n\n\nThis issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0\n\n. \n\nAn attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.\n\n\n\n\n\n","status":"published","published":"2024-01-18T15:30:40Z","modified":"2024-01-18T15:30:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:55:26.812198Z"}],"nvd":[{"id":"CVE-2023-40052","description":"\n\n\nThis issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0\n\n. \n\nAn attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.\n\n\n\n\n\n","status":"published","published":"2024-01-18T15:15:09.247Z","modified":"2026-06-17T06:15:57.967Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:09:01.900189Z"}]}}