{"schemaVersion":3,"id":"CVE-2021-23872","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Privilege Escalation vulnerability in the File Lock component of McAfee Total Protection (MTP) prior to 16.0.32 allows a local user to gain elevated privileges by manipulating a symbolic link in the IOCTL interface.","dates":{"published":"2021-05-12T09:00:23.000Z","modified":"2024-08-03T19:14:09.378Z","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:H/PR:L/UI:N/S:C/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:H/PR:L/UI:N/S:C/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},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.6,"severity":"medium","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00426,"percentile":0.35513,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00426},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00426,"percentile":0.35513}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00426,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00426,"percentile":0.35513}]},"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-59","name":"Improper Link Resolution Before File Access ('Link Following')","description":"The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/59.html"}],"affected":[{"vendor":"mcafee","product":"total_protection","name":"total protection","label":"total_protection","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 16.0.32","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 16.0.32","eol":null,"hubHref":"/vendor/mcafee/total_protection"},{"vendor":"mcafee,llc","product":"mcafee total protection (mtp)","name":"McAfee Total Protection (MTP)","label":"mcafee total protection (mtp)","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 16.0.32","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 16.0.32","eol":null,"hubHref":"/vendor/mcafeellc/mcafee_total_protection_mtp"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://service.mcafee.com/FAQDocument.aspx?&id=TS103146","label":"service.mcafee.com/FAQDocument.aspx?&id=TS103146","hostname":"service.mcafee.com","tags":["X Refsource CONFIRM"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-05-12T09:00:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T19:14:09.378Z","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":"2026-10-19T23:09:28.338Z","stale":false,"partial":false}}