{"schemaVersion":3,"id":"CVE-2024-33657","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"This SMM vulnerability affects certain modules, allowing privileged attackers to execute arbitrary code, manipulate stack memory, and leak information from SMRAM to kernel space, potentially leading to denial-of-service attacks.","dates":{"published":"2024-08-21T16:17:12.383Z","modified":"2024-08-22T00:40:11.707Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00193,"percentile":0.08496,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00193},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00193,"percentile":0.08496}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00193,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00193,"percentile":0.08496}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"ami","product":"aptio_v","name":"aptio v","label":"aptio_v","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 5.0, ≤ 5.36","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.0, ≤ 5.36","eol":null,"hubHref":"/vendor/ami/aptio_v"},{"vendor":"ami","product":"aptiov","name":"AptioV","label":"aptiov","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ BKS_5.0, ≤ 5.36","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ BKS_5.0, ≤ 5.36","eol":null,"hubHref":"/vendor/ami/aptiov"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024003.pdf","label":"9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024003.pdf","hostname":"9443417.fs1.hubspotusercontent-na1.net","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2024-08-21T16:17:12.383Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-22T00:40:11.707Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T07:14:01.044Z","stale":false,"partial":false}}