{"id":"CVE-2021-42123","aliases":["EUVD-2021-29108","GHSA-2fvx-vhr6-r4cv"],"status":"published","title":"Missing Upload Filter in TopEase","description":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01055,"percentile":0.64875,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-11-30T11:28:14Z","modified":"2026-06-17T04:09:23Z","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-2021-42123"},{"url":"https://github.com/advisories/GHSA-2fvx-vhr6-r4cv"}],"sources":{"cve":[{"id":"CVE-2021-42123","title":"Missing Upload Filter in TopEase","description":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.","status":"published","published":"2021-11-30T11:28:14Z","modified":"2024-08-04T03:30:37.552Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29108","description":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.","status":"published","published":"2021-11-30T11:28:14Z","modified":"2024-08-04T03:30:37Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-2fvx-vhr6-r4cv","title":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s...","description":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.","status":"published","published":"2021-12-01T00:00:41Z","modified":"2023-02-01T05:06:39Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:50:23.506103Z"}],"nvd":[{"id":"CVE-2021-42123","description":"Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version \u003c= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.","status":"published","published":"2021-11-30T12:15:08.07Z","modified":"2026-06-17T04:09:23.17Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}