{"cve":"CVE-2021-36323","nvd":{"published":"2021-11-12T23:15:08.413","modified":"2026-10-08T21:17:37.213","status":"Modified","description":"Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","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:H/A:H","score":6.7},"cwes":["CWE-20"],"references":["https://www.dell.com/support/kbdoc/en-us/000192967","https://www.dell.com/support/kbdoc/en-us/000192967"],"products":["dell:alienware_13_r3_firmware","dell:alienware_15_r3_firmware","dell:alienware_15_r4_firmware","dell:alienware_17_r4_firmware","dell:alienware_17_r5_firmware","dell:alienware_area_51m_r1_firmware","dell:alienware_area_51m_r2_firmware","dell:alienware_aurora_r11_firmware","dell:alienware_aurora_r12_firmware","dell:alienware_aurora_r7_firmware","dell:alienware_aurora_r8_firmware","dell:alienware_aurora_r9_firmware","dell:alienware_aurora_ryzen_edition_firmware","dell:alienware_m15_r1_firmware","dell:alienware_m15_r2_firmware","dell:alienware_m15_r3_firmware","dell:alienware_m17_r1_firmware","dell:alienware_m17_r2_firmware","dell:alienware_m17_r3_firmware","dell:alienware_x15_r1_firmware","dell:alienware_x17_r1_firmware","dell:chengming_3977_firmware","dell:chengming_3980_firmware","dell:chengming_3988_firmware","dell:chengming_3990_firmware","dell:chengming_3991_firmware","dell:embedded_box_pc_5000_firmware","dell:g3_3579_firmware","dell:g3_3590_firmware","dell:g3_3779_firmware","dell:g5_5000_firmware","dell:g5_5090_firmware","dell:g5_5587_firmware","dell:g5_5590_firmware","dell:g7_7587_firmware","dell:g7_7588_firmware","dell:g7_7590_firmware","dell:g7_7790_firmware","dell:inspiron_13_5378_firmware","dell:inspiron_13_5379_firmware","dell:inspiron_14_3467_firmware","dell:inspiron_14_5468_firmware","dell:inspiron_15_3567_firmware","dell:inspiron_15_5566_firmware","dell:inspiron_15_5578_firmware","dell:inspiron_15_5579_firmware","dell:inspiron_15_5582_firmware","dell:inspiron_15_7570_firmware","dell:inspiron_15_7572_firmware","dell:inspiron_15_7573_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-36323","score":0.00241,"percentile":0.15029,"date":"2026-10-25"},"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."]}