{"id":"CVE-2021-42121","aliases":["EUVD-2021-29106","GHSA-52xf-jjg9-gfxx"],"status":"published","title":"Denial of Service via Invalid Date Format in TopEase","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01032,"percentile":0.64174,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"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-2021-42121"},{"url":"https://github.com/advisories/GHSA-52xf-jjg9-gfxx"}],"sources":{"cve":[{"id":"CVE-2021-42121","title":"Denial of Service via Invalid Date Format in TopEase","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.","status":"published","published":"2021-11-30T11:28:12Z","modified":"2024-08-04T03:30:36.387Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29106","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.","status":"published","published":"2021-11-30T11:28:12Z","modified":"2024-08-04T03:30:36Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-52xf-jjg9-gfxx","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 an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.","status":"published","published":"2021-12-01T00:00:41Z","modified":"2023-02-01T05:06:39Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:23.506103Z"}],"nvd":[{"id":"CVE-2021-42121","description":"Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 on an object’s date attribute(s) allows an authenticated remote attacker with Object Modification privileges to insert an unexpected format into date fields, which leads to breaking the object page that the date field is present.","status":"published","published":"2021-11-30T12:15:07.967Z","modified":"2026-06-17T04:09:22.953Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","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"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}