{"id":"CVE-2021-21446","aliases":["EUVD-2021-8720","GHSA-jv2p-v76x-4c37"],"status":"published","title":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated...","description":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, this has a high impact on the availability of the service.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01459,"percentile":0.73763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-01-12T14:40:18Z","modified":"2026-06-17T03:35:35Z","products":[{"vendor":"sap","product":"netweaver_application_server_abap"},{"vendor":"sap se","product":"sap netweaver as abap"}],"references":[{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564760476","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/3000306","tags":["x_refsource_MISC","x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21446"},{"url":"https://i7p.wdf.sap.corp/sap/support/notes/3000306"},{"url":"https://github.com/advisories/GHSA-jv2p-v76x-4c37"}],"sources":{"cve":[{"id":"CVE-2021-21446","description":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, this has a high impact on the availability of the service.","status":"published","published":"2021-01-12T14:40:18Z","modified":"2024-08-03T18:16:22.448Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8720","description":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, this has a high impact on the availability of the service.","status":"published","published":"2021-01-12T14:40:18Z","modified":"2024-08-03T18:16:22Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:05.745586Z"}],"ghsa":[{"id":"GHSA-jv2p-v76x-4c37","title":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated...","description":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, this has a high impact on the availability of the service.","status":"published","published":"2022-05-24T17:38:52Z","modified":"2023-01-27T05:07:28Z","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-400"],"updated_at":"2026-11-02T14:43:07.808548Z"}],"nvd":[{"id":"CVE-2021-21446","description":"SAP NetWeaver AS ABAP, versions 740, 750, 751, 752, 753, 754, 755, allows an unauthenticated attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service, this has a high impact on the availability of the service.","status":"published","published":"2021-01-12T15:15:14.47Z","modified":"2026-06-17T03:35:35.453Z","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":"primary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}