{"schema_version":"1","data":[{"id":3734,"advisory_id":"b99e6f91-dd7b-42a0-aecf-642626a460bc","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-36741","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:40:08.641669+00:00","extraction_method":"structured","technologies":["apex-one-apex-one-as-a-service-and-worry-free-business-security","core-kev"],"cve_ids":["CVE-2021-36741"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Trend Micro Multiple Products Improper Input Validation Vulnerability","summary":"Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows a remote attacker to upload files. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-36741","products":[{"name":{"value":"Apex One, Apex One as a Service, and Worry-Free Business Security","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-36741","aliases":["CVE-2021-36741"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-22"],"cveID":"CVE-2021-36741","notes":"https://success.trendmicro.com/dcx/s/solution/000287819?language=en_US, https://success.trendmicro.com/dcx/s/solution/000287820?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-36741","dueDate":"2021-11-17","product":"Apex One, Apex One as a Service, and Worry-Free Business Security","dateAdded":"2021-11-03","vendorProject":"Trend Micro","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows a remote attacker to upload files.","vulnerabilityName":"Trend Micro Multiple Products Improper Input Validation Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-36741","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3734,"next_before":3734}