{"id":"CVE-2021-28646","aliases":["EUVD-2021-15315","GHSA-7637-c4cm-gwmg"],"status":"published","title":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and...","description":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00439,"percentile":0.38429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2021-04-13T12:54:59Z","modified":"2026-06-17T03:46:41Z","products":[{"vendor":"trend micro","product":"trend micro apex one"},{"vendor":"trend micro","product":"trend micro officescan"},{"vendor":"trendmicro","product":"apex_one"},{"vendor":"trendmicro","product":"officescan"}],"references":[{"url":"https://success.trendmicro.com/solution/000286019","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://success.trendmicro.com/solution/000286157","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28646"},{"url":"https://github.com/advisories/GHSA-7637-c4cm-gwmg"}],"sources":{"cve":[{"id":"CVE-2021-28646","description":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.","status":"published","published":"2021-04-13T12:54:59Z","modified":"2024-08-03T21:47:33.035Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15315","description":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.","status":"published","published":"2021-04-13T12:54:59Z","modified":"2024-08-03T21:47:33Z","updated_at":"2026-11-03T03:24:46.751124Z"}],"ghsa":[{"id":"GHSA-7637-c4cm-gwmg","title":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and...","description":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.","status":"published","published":"2022-05-24T17:47:28Z","modified":"2023-01-29T05:06:22Z","cwes":["CWE-732"],"updated_at":"2026-11-02T14:46:00.528527Z"}],"nvd":[{"id":"CVE-2021-28646","description":"An insecure file permissions vulnerability in Trend Micro Apex One, Apex One as a Service and OfficeScan XG SP1 could allow a local attacker to take control of a specific log file on affected installations.","status":"published","published":"2021-04-13T13:15:13.583Z","modified":"2026-06-17T03:46:41.957Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}