{"schemaVersion":3,"id":"CVE-2021-28648","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Trend Micro Antivirus for Mac 2020 v10.5 and 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability.","dates":{"published":"2021-04-22T21:21:21.000Z","modified":"2024-08-03T21:47:33.215Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","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":"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":0.00527,"percentile":0.43515,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00527},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00527,"percentile":0.43515}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00527,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00527,"percentile":0.43515}]},"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":[],"affected":[{"vendor":"trend micro","product":"trend micro antivirus for mac","name":"Trend Micro Antivirus for Mac","label":"trend micro antivirus for mac","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2021 (11), 2020 (10.5)","noFixRecorded":false,"fixedIn":null}],"versionsText":"2021 (11), 2020 (10.5)","eol":null,"hubHref":"/vendor/trend_micro/trend_micro_antivirus_for_mac"},{"vendor":"trendmicro","product":"antivirus","name":"antivirus","label":"antivirus","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.5, < 10.5.2088","noFixRecorded":false,"fixedIn":null},{"text":"≥ 11.0, < 11.0.2062","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.5, < 10.5.2088 | ≥ 11.0, < 11.0.2062","eol":null,"hubHref":"/vendor/trendmicro/antivirus"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://helpcenter.trendmicro.com/en-us/article/TMKA-10293","label":"helpcenter.trendmicro.com/en-us/article/TMKA-10293","hostname":"helpcenter.trendmicro.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-420/","label":"www.zerodayinitiative.com/advisories/ZDI-21-420/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-04-22T21:21:21.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T21:47:33.215Z","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":"2026-10-20T16:18:19.926Z","stale":false,"partial":false}}