{"schemaVersion":3,"id":"CVE-2020-8670","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Race condition in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.","dates":{"published":"2021-06-09T18:50:23.000Z","modified":"2026-10-08T21:03:34.083Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.4,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.4,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.4,"severity":"medium","vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00268,"percentile":0.17725,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00268},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00268,"percentile":0.17725}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00268,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00268,"percentile":0.17725}]},"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-362","name":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","description":"The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/362.html"}],"affected":[{"vendor":"intel","product":"bios","name":"bios","label":"bios","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/intel/bios"},{"vendor":"netapp","product":"aff_bios","name":"aff bios","label":"aff_bios","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/aff"},{"vendor":"netapp","product":"cloud_backup","name":"cloud backup","label":"cloud_backup","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/cloud_backup"},{"vendor":"netapp","product":"fas_bios","name":"fas bios","label":"fas_bios","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/fas"},{"vendor":"netapp","product":"hci_compute_node","name":"hci compute node","label":"hci_compute_node","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/hci_compute_node"},{"vendor":"netapp","product":"hci_storage_node_firmware","name":"hci storage node firmware","label":"hci_storage_node_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/hci_storage_node"},{"vendor":"netapp","product":"solidfire","name":"solidfire","label":"solidfire","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/solidfire"},{"vendor":"siemens","product":"simatic_ipc627e_firmware","name":"simatic ipc627e firmware","label":"simatic_ipc627e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 25.02.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 25.02.10","eol":null,"hubHref":"/vendor/siemens/simatic_ipc627e"},{"vendor":"siemens","product":"simatic_ipc647e_firmware","name":"simatic ipc647e firmware","label":"simatic_ipc647e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 25.02.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 25.02.10","eol":null,"hubHref":"/vendor/siemens/simatic_ipc647e"},{"vendor":"siemens","product":"simatic_ipc677e_firmware","name":"simatic ipc677e firmware","label":"simatic_ipc677e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 25.02.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 25.02.10","eol":null,"hubHref":"/vendor/siemens/simatic_ipc677e"},{"vendor":"siemens","product":"simatic_ipc847e_firmware","name":"simatic ipc847e firmware","label":"simatic_ipc847e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 25.02.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 25.02.10","eol":null,"hubHref":"/vendor/siemens/simatic_ipc847e"}],"affectedCount":11,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.html","label":"www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00463.html","hostname":"www.intel.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210702-0002/","label":"security.netapp.com/advisory/ntap-20210702-0002/","hostname":"security.netapp.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf","label":"cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf","hostname":"cert-portal.siemens.com","tags":["X Refsource CONFIRM","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-09T18:50:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-08T21:03:34.083Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T21:47:05.572Z","stale":false,"partial":false}}