{"id":"CVE-2021-3848","aliases":["EUVD-2021-27090","GHSA-2px7-682p-g6gg"],"status":"published","title":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex...","description":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00233,"percentile":0.14264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2021-10-06T09:50:57Z","modified":"2026-06-17T04:05:53Z","products":[{"vendor":"trend micro","product":"trend micro apex one"},{"vendor":"trend micro","product":"trend micro worry-free business security"},{"vendor":"trend micro, inc.","product":"trend micro worry-free business security"},{"vendor":"trendmicro","product":"apex_one"},{"vendor":"trendmicro","product":"worry-free_business_security"}],"references":[{"url":"https://success.trendmicro.com/solution/000289183","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3848"},{"url":"https://github.com/advisories/GHSA-2px7-682p-g6gg"}],"sources":{"cve":[{"id":"CVE-2021-3848","description":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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":"2021-10-06T09:50:57Z","modified":"2024-08-03T17:09:09.607Z","updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-27090","description":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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":"2021-10-06T09:50:57Z","modified":"2024-08-03T17:09:09Z","updated_at":"2026-11-03T03:25:11.376657Z"}],"ghsa":[{"id":"GHSA-2px7-682p-g6gg","title":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex...","description":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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":"2022-05-24T19:16:49Z","modified":"2023-01-27T05:03:23Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:42:14.302128Z"}],"nvd":[{"id":"CVE-2021-3848","description":"An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) 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":"2021-10-06T10:15:08.027Z","modified":"2026-06-17T04:05:53.327Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}