{"id":"CVE-2021-42120","aliases":["EUVD-2021-29105","GHSA-hjpq-rp56-x2qm"],"status":"published","title":"Missing Character Length (Denial of Service) in TopEase","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01101,"percentile":0.66149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-400"],"published":"2021-11-30T11:28:12Z","modified":"2026-06-17T04:09:22Z","products":[{"vendor":"business-dna solutions gmbh","product":"topease"},{"vendor":"businessdnasolutions","product":"topease"}],"references":[{"url":"https://confluence.topease.ch/confluence/display/DOC/Release+Notes","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42120"},{"url":"https://github.com/advisories/GHSA-hjpq-rp56-x2qm"}],"sources":{"cve":[{"id":"CVE-2021-42120","title":"Missing Character Length (Denial of Service) in TopEase","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.","status":"published","published":"2021-11-30T11:28:12Z","modified":"2024-08-04T03:30:36.363Z","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":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29105","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.","status":"published","published":"2021-11-30T11:28:12Z","modified":"2024-08-04T03:30:36Z","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"}],"updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-hjpq-rp56-x2qm","title":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s...","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.","status":"published","published":"2021-12-01T00:00:41Z","modified":"2023-02-01T05:06:31Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:50:21.781869Z"}],"nvd":[{"id":"CVE-2021-42120","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.","status":"published","published":"2021-11-30T12:15:07.917Z","modified":"2026-06-17T04:09:22.847Z","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":"secondary"},{"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":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-400"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}