{"cve":"CVE-2021-44023","nvd":{"published":"2021-12-16T03:15:10.073","modified":"2026-06-17T04:11:48.430","status":"Modified","description":"A link following denial-of-service (DoS) vulnerability in the Trend Micro Security (Consumer) 2021 familiy of products could allow an attacker to abuse the PC Health Checkup feature of the product to create symlinks that would allow modification of files which could lead to a denial-of-service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","score":7.1},"cwes":["CWE-59"],"references":["https://helpcenter.trendmicro.com/en-us/article/tmka-10867","https://www.zerodayinitiative.com/advisories/ZDI-21-1536/","https://helpcenter.trendmicro.com/en-us/article/tmka-10867","https://www.zerodayinitiative.com/advisories/ZDI-21-1536/"],"products":["trendmicro:antivirus\\+_security_2021","trendmicro:internet_security_2021","trendmicro:maximum_security_2021","trendmicro:premium_security_2021"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-44023","score":0.00422,"percentile":0.3652,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}