{"id":"CVE-2021-33014","aliases":["EUVD-2021-19735","GHSA-jx6w-5q44-8g67"],"status":"published","title":"KUKA KR C4 - Use of Hard-Coded Credentials","description":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.","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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00917,"percentile":0.60462,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2022-05-26T16:33:08Z","modified":"2026-06-17T03:54:00Z","products":[{"vendor":"kuka","product":"kr c4"},{"vendor":"kuka","product":"kr_c4_firmware"},{"vendor":"kuka","product":"kss"},{"vendor":"kuka","product":"kss (kuka.systemsoftware)"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-208-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33014"},{"url":"https://github.com/advisories/GHSA-jx6w-5q44-8g67"}],"sources":{"cve":[{"id":"CVE-2021-33014","title":"KUKA KR C4 - Use of Hard-Coded Credentials","description":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.","status":"published","published":"2022-05-26T16:33:08Z","modified":"2025-04-16T17:53:08.881Z","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":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19735","description":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.","status":"published","published":"2022-05-26T16:33:08Z","modified":"2025-04-16T17:53:08Z","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"}],"updated_at":"2026-11-02T20:52:22.940917Z"}],"ghsa":[{"id":"GHSA-jx6w-5q44-8g67","title":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4...","description":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.","status":"published","published":"2022-05-27T00:00:45Z","modified":"2023-01-27T05:02:54Z","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-798"],"updated_at":"2026-11-02T14:42:07.495183Z"}],"nvd":[{"id":"CVE-2021-33014","description":"An attacker can gain VxWorks Shell after login due to hard-coded credentials on a KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.","status":"published","published":"2022-05-26T17:15:08.39Z","modified":"2026-06-17T03:54:00.783Z","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":"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":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}