{"api_version":"1","generated_at":"2026-04-23T04:11:07+00:00","cve":"CVE-2021-28646","urls":{"html":"https://cve.report/CVE-2021-28646","api":"https://cve.report/api/cve/CVE-2021-28646.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-28646","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28646"},"summary":{"title":"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.","state":"PUBLIC","assigner":"security@trendmicro.com","published_at":"2021-04-13 13:15:00","updated_at":"2021-04-14 21:19:00"},"problem_types":["CWE-732"],"metrics":[],"references":[{"url":"https://success.trendmicro.com/solution/000286019","name":"N/A","refsource":"N/A","tags":[],"title":"SECURITY BULLETIN:  March 2021 Security Bulletin for Trend Micro Apex One and Apex One as a Service","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://success.trendmicro.com/solution/000286157","name":"N/A","refsource":"N/A","tags":[],"title":"SECURITY BULLETIN:  March 2021 Security Bulletin for Trend Micro OfficeScan XG SP1","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28646","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28646","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"28646","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"trendmicro","cpe5":"apex_one","cpe6":"2019","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28646","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"trendmicro","cpe5":"apex_one","cpe6":"2019","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"saas","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28646","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"trendmicro","cpe5":"officescan","cpe6":"xg","cpe7":"sp1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security@trendmicro.com","ID":"CVE-2021-28646","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Trend Micro Apex One\r\n","version":{"version_data":[{"version_value":"2019, SaaS"}]}},{"product_name":"Trend Micro OfficeScan","version":{"version_data":[{"version_value":"XG SP1"}]}}]},"vendor_name":"Trend Micro"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Insecure File Permissions"}]}]},"references":{"reference_data":[{"url":"https://success.trendmicro.com/solution/000286019","refsource":"MISC","name":"https://success.trendmicro.com/solution/000286019"},{"url":"https://success.trendmicro.com/solution/000286157","refsource":"MISC","name":"https://success.trendmicro.com/solution/000286157"}]}},"nvd":{"publishedDate":"2021-04-13 13:15:00","lastModifiedDate":"2021-04-14 21:19:00","problem_types":["CWE-732"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:P/A:N","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"28646","Ordinal":"203820","Title":"CVE-2021-28646","CVE":"CVE-2021-28646","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"28646","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"28646","Ordinal":"2","NoteData":"2021-04-13","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"28646","Ordinal":"3","NoteData":"2021-04-13","Type":"Other","Title":"Modified"}]}}}