{"cve":"CVE-2021-36284","nvd":{"published":"2021-09-28T20:15:07.623","modified":"2026-06-17T03:58:35.660","status":"Modified","description":"Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin password attempt mitigations in order to carry out a brute force attack.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","score":4.4},"cwes":["CWE-307"],"references":["https://www.dell.com/support/kbdoc/000191495","https://www.dell.com/support/kbdoc/000191495"],"products":["dell:latitude_5310_2-in-1_firmware","dell:latitude_5320_firmware","dell:latitude_5400_firmware","dell:latitude_5411_firmware","dell:latitude_5500_firmware","dell:latitude_5511_firmware","dell:latitude_5520_firmware","dell:latitude_7212_rugged_extreme_tablet_firmware","dell:latitude_7280_firmware","dell:latitude_7320_firmware","dell:latitude_7370_firmware","dell:latitude_7420_firmware","dell:latitude_7480_firmware","dell:latitude_9410_firmware","dell:latitude_9510_firmware","dell:latitude_9520_firmware","dell:optiplex_3080_firmware","dell:optiplex_3280_aio_firmware","dell:optiplex_7480_aio_firmware","dell:precision_3551_ffirmware","dell:precision_3640_tower_firmware"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-36284","score":0.00232,"percentile":0.14107,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}