{"id":"CVE-2021-21488","aliases":["EUVD-2021-8761","GHSA-g2rh-3q72-5cq4"],"status":"published","title":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with...","description":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01341,"percentile":0.71741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-03-09T14:07:10Z","modified":"2026-06-17T03:35:40Z","products":[{"vendor":"sap","product":"netweaver_knowledge_management"},{"vendor":"sap se","product":"sap netweaver knowledge management"}],"references":[{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/2983436","tags":["x_refsource_MISC","x_transferred","Permissions Required","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21488"},{"url":"https://github.com/advisories/GHSA-g2rh-3q72-5cq4"}],"sources":{"cve":[{"id":"CVE-2021-21488","description":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.","status":"published","published":"2021-03-09T14:07:10Z","modified":"2024-08-03T18:16:22.566Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8761","description":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.","status":"published","published":"2021-03-09T14:07:10Z","modified":"2024-08-03T18:16:22Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:25:05.745586Z"}],"ghsa":[{"id":"GHSA-g2rh-3q72-5cq4","title":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with...","description":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.","status":"published","published":"2022-05-24T22:28:38Z","modified":"2023-01-30T05:05:52Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:47:22.488805Z"}],"nvd":[{"id":"CVE-2021-21488","description":"Knowledge Management versions 7.01, 7.02, 7.30, 7.31, 7.40, 7.50 allows a remote attacker with basic privileges to deserialize user-controlled data without verification, leading to insecure deserialization which triggers the attacker’s code, therefore impacting Availability.","status":"published","published":"2021-03-09T15:15:15.13Z","modified":"2026-06-17T03:35:40.22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}