{"schemaVersion":3,"id":"CVE-2021-0001","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access.","dates":{"published":"2021-06-09T19:01:55.000Z","modified":"2024-08-03T15:25:01.810Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.7,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.7,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00209,"percentile":0.10434,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00209},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00209,"percentile":0.10434}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00209,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00209,"percentile":0.10434}]},"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-203","name":"Observable Discrepancy","description":"The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/203.html"}],"affected":[{"vendor":"intel","product":"integrated_performance_primitives_cryptography","name":"integrated performance primitives cryptography","label":"integrated_performance_primitives_cryptography","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2019","noFixRecorded":false,"fixedIn":null},{"text":"2019:update_1","noFixRecorded":false,"fixedIn":null},{"text":"2019:update_2","noFixRecorded":false,"fixedIn":null},{"text":"2019:update_3","noFixRecorded":false,"fixedIn":null},{"text":"2019:update_4","noFixRecorded":false,"fixedIn":null},{"text":"2020","noFixRecorded":false,"fixedIn":null}],"versionsText":"2019 | 2019:update_1 | 2019:update_2 | 2019:update_3 | 2019:update_4 | 2020","eol":null,"hubHref":"/vendor/intel/integrated_performance_primitives_cryptography"},{"vendor":"intel","product":"sgx_dcap","name":"sgx dcap","label":"sgx_dcap","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.10.100.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.10.100.4","eol":null,"hubHref":"/vendor/intel/sgx_dcap"},{"vendor":"intel","product":"sgx_psw","name":"sgx psw","label":"sgx_psw","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.12.100.4","noFixRecorded":false,"fixedIn":null},{"text":"≤ 2.13.100.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.12.100.4 | ≤ 2.13.100.4","eol":null,"hubHref":"/vendor/intel/sgx_psw"},{"vendor":"intel","product":"sgx_sdk","name":"sgx sdk","label":"sgx_sdk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.12.100.4","noFixRecorded":false,"fixedIn":null},{"text":"≤ 2.13.100.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.12.100.4 | ≤ 2.13.100.4","eol":null,"hubHref":"/vendor/intel/sgx_sdk"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00477.html","label":"www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00477.html","hostname":"www.intel.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-09T19:01:55.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T15:25:01.810Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":19,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T13:12:51.912Z","stale":false,"partial":false}}