{"id":"CVE-2021-45891","aliases":["EUVD-2021-32607","GHSA-rw7c-r2hj-99vq"],"status":"published","title":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate...","description":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01419,"percentile":0.73194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-669"],"published":"2022-04-05T01:30:20Z","modified":"2026-06-17T04:14:12Z","products":[{"vendor":"zauner","product":"arc"}],"references":[{"url":"https://syss.de","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-063.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45891"},{"url":"https://github.com/advisories/GHSA-rw7c-r2hj-99vq"}],"sources":{"cve":[{"id":"CVE-2021-45891","description":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.","status":"published","published":"2022-04-05T01:30:20Z","modified":"2024-08-04T04:54:31.263Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32607","description":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.","status":"published","published":"2022-04-05T01:30:20Z","modified":"2024-08-04T04:54:31Z","updated_at":"2026-11-03T03:08:25.222984Z"}],"ghsa":[{"id":"GHSA-rw7c-r2hj-99vq","title":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate...","description":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.","status":"published","published":"2022-04-06T00:01:33Z","modified":"2023-01-27T05:01:27Z","cvss":[{"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"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:41:53.704212Z"}],"nvd":[{"id":"CVE-2021-45891","description":"An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.","status":"published","published":"2022-04-05T02:15:07.003Z","modified":"2026-06-17T04:14:12.24Z","cvss":[{"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-669"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}