{"id":"CVE-2021-28648","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28648","generatedAt":"2026-10-28T02:57:44.098Z","title":"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…","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.","published":"2021-04-22T22:15:12.000Z","lastModified":"2026-06-17T03:46:42.000Z","status":"Modified","sourceIdentifier":"security@trendmicro.com","cvss":{"version":"3.1","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"},"cwe":[],"affected":["trendmicro/antivirus"],"epss":{"score":0.00527,"percentile":0.44374,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://helpcenter.trendmicro.com/en-us/article/TMKA-10293","tags":["Patch","Vendor Advisory"],"source":"security@trendmicro.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-420/","tags":["Third Party Advisory","VDB Entry"],"source":"security@trendmicro.com"},{"url":"https://helpcenter.trendmicro.com/en-us/article/TMKA-10293","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-420/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28648","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}