{"cve":{"cve_id":"CVE-2021-39298","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00428,"epss_percentile":0.34113,"epss_as_of":"2026-06-23","description":"A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.","published_at":"2022-02-16T16:38:10.726000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1027"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:16:04.157919Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"amd","vendor_name":"AMD","product_slug":"2nd-gen-epyc","product_name":"2nd Gen EPYC","version_start":"Various","version_start_inclusive":true,"version_end":"Various","version_end_inclusive":true,"cpe23_uri":"cve5:amd:2nd-gen-epyc:Various:Various"},{"vendor_slug":"amd","vendor_name":"AMD","product_slug":"3rd-gen-epyc","product_name":"3rd Gen EPYC","version_start":"various","version_start_inclusive":true,"version_end":"various","version_end_inclusive":true,"cpe23_uri":"cve5:amd:3rd-gen-epyc:various:various"},{"vendor_slug":"amd","vendor_name":"AMD","product_slug":"ryzen-2000-series","product_name":"Ryzen™ 2000 Series","version_start":"various","version_start_inclusive":true,"version_end":"various","version_end_inclusive":true,"cpe23_uri":"cve5:amd:ryzen-2000-series:various:various"},{"vendor_slug":"amd","vendor_name":"AMD","product_slug":"ryzen-3000-series","product_name":"Ryzen™ 3000 Series","version_start":"Various","version_start_inclusive":true,"version_end":"Various","version_end_inclusive":true,"cpe23_uri":"cve5:amd:ryzen-3000-series:Various:Various"},{"vendor_slug":"amd","vendor_name":"AMD","product_slug":"ryzen-5000-series","product_name":"Ryzen™ 5000 Series","version_start":"various","version_start_inclusive":true,"version_end":"various","version_end_inclusive":true,"cpe23_uri":"cve5:amd:ryzen-5000-series:various:various"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032","source_type":"MISC","tags":[]},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1027","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-02-16T16:38:10.726000Z","label":"CVE published","source":null}]}