{"id":"CVE-2021-25253","aliases":["EUVD-2021-12164","GHSA-x75v-xvrq-pw8c"],"status":"published","title":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a...","description":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01909,"percentile":0.7995,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-732"],"published":"2021-04-13T12:53:59Z","modified":"2026-06-17T03:41:43Z","exploits":[{"source":"pocgithub","id":"msd0pe-1/CVE-2021-25253","title":"msd0pe-1/CVE-2021-25253","date":"2023-05-12","url":"https://github.com/msd0pe-1/CVE-2021-25253"}],"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://www.zerodayinitiative.com/advisories/ZDI-21-401/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25253"},{"url":"https://github.com/advisories/GHSA-x75v-xvrq-pw8c"}],"sources":{"cve":[{"id":"CVE-2021-25253","description":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2021-04-13T12:53:59Z","modified":"2024-08-03T19:56:11.086Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12164","description":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2021-04-13T12:53:59Z","modified":"2024-08-03T19:56:11Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-x75v-xvrq-pw8c","title":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a...","description":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2022-05-24T17:47:15Z","modified":"2023-01-27T05:03:13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:11.706998Z"}],"nvd":[{"id":"CVE-2021-25253","description":"An improper access control vulnerability in Trend Micro Apex One, Trend Micro Apex One as a Service and OfficeScan XG SP1 on a resource used by the service could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2021-04-13T13:15:13.443Z","modified":"2026-06-17T03:41:43.423Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}