{"id":"CVE-2021-25243","aliases":["EUVD-2021-12154","GHSA-3wvc-4hf7-ch8v"],"status":"published","title":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan...","description":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain patch level information.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02179,"percentile":0.82498,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2021-02-04T19:36:48Z","modified":"2026-06-17T03:41:42Z","products":[{"vendor":"trend micro","product":"trend micro apex one"},{"vendor":"trend micro","product":"trend micro officescan"},{"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":"officescan"},{"vendor":"trendmicro","product":"worry-free_business_security"}],"references":[{"url":"https://success.trendmicro.com/solution/000284202","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://success.trendmicro.com/solution/000284205","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://success.trendmicro.com/solution/000284206","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-116/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25243"},{"url":"https://github.com/advisories/GHSA-3wvc-4hf7-ch8v"}],"sources":{"cve":[{"id":"CVE-2021-25243","description":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain patch level information.","status":"published","published":"2021-02-04T19:36:48Z","modified":"2024-08-03T19:56:11.085Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12154","description":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain patch level information.","status":"published","published":"2021-02-04T19:36:48Z","modified":"2024-08-03T19:56:11Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-3wvc-4hf7-ch8v","title":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan...","description":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain patch level information.","status":"published","published":"2022-05-24T17:41:08Z","modified":"2023-01-27T05:02:34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:42:04.146384Z"}],"nvd":[{"id":"CVE-2021-25243","description":"An improper access control vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to obtain patch level information.","status":"published","published":"2021-02-04T20:15:14.107Z","modified":"2026-06-17T03:41:42.373Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}