{"id":"CVE-2021-36321","aliases":["EUVD-2021-22941","GHSA-549x-x23c-r7qh"],"status":"published","title":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation...","description":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01289,"percentile":0.70634,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-11-20T01:40:25Z","modified":"2026-06-17T03:58:39Z","products":[{"vendor":"dell","product":"networking x-series"},{"vendor":"dell","product":"x1008_firmware"},{"vendor":"dell","product":"x1008p_firmware"},{"vendor":"dell","product":"x1018_firmware"},{"vendor":"dell","product":"x1018p_firmware"},{"vendor":"dell","product":"x1026_firmware"},{"vendor":"dell","product":"x1026p_firmware"},{"vendor":"dell","product":"x1052_firmware"},{"vendor":"dell","product":"x1052p_firmware"},{"vendor":"dell","product":"x4012_firmware"}],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000193230/dsa-2021-191-dell-networking-x-series-security-update-for-multiple-security-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36321"},{"url":"https://github.com/advisories/GHSA-549x-x23c-r7qh"}],"sources":{"cve":[{"id":"CVE-2021-36321","description":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.","status":"published","published":"2021-11-20T01:40:25.789Z","modified":"2024-09-16T22:41:36.814Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-22941","description":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.","status":"published","published":"2021-11-20T01:40:25Z","modified":"2024-09-16T22:41:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:00.660655Z"}],"ghsa":[{"id":"GHSA-549x-x23c-r7qh","title":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation...","description":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.","status":"published","published":"2022-05-24T19:21:10Z","modified":"2023-01-30T05:04:11Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:59.354373Z"}],"nvd":[{"id":"CVE-2021-36321","description":"Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.","status":"published","published":"2021-11-20T02:15:07.45Z","modified":"2026-06-17T03:58:39.363Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}