{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T04:31:14.124","vulnerabilities":[{"cve":{"id":"CVE-2020-24557","sourceIdentifier":"security@trendmicro.com","published":"2020-09-01T19:15:11.870","lastModified":"2026-06-17T03:05:45.430","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function and attain privilege escalation. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Please note that version 1909 (OS Build 18363.719) of Microsoft Windows 10 mitigates hard links, but previous versions are affected."},{"lang":"es","value":"Una vulnerabilidad en Trend Micro Apex One y Worry-Free Business Security 10.0 SP1 en Microsoft Windows puede permitir a un atacante manipular una carpeta de un producto en particular para deshabilitar la seguridad temporalmente, violar una función específica de Windows y lograr una escalada de privilegios. Un atacante debe primero obtener la capacidad de ejecutar código poco privilegiado en el sistema objetivo para explotar esta vulnerabilidad. Tenga en cuenta que la versión 1909 (compilación del SO 18363.719) de Microsoft Windows 10 mitiga los enlaces físicos, pero las versiones anteriores están afectadas"}],"affected":[{"source":"security@trendmicro.com","affectedData":[{"vendor":"Trend Micro","product":"Trend Micro Apex One","versions":[{"version":"2009 (on premise), SaaS","status":"affected"}]},{"vendor":"Trend Micro","product":"Trend Micro Worry-Free Business Security","versions":[{"version":"10.0 SP1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-02-06T19:41:43.764667Z","id":"CVE-2020-24557","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2021-11-03","cisaActionDue":"2022-05-03","cisaRequiredAction":"Apply updates per vendor instructions.","cisaVulnerabilityName":"Trend Micro Multiple Products Improper Access Control Vulnerability","weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:trendmicro:apex_one:-:*:*:*:saas:*:*:*","matchCriteriaId":"97D177B6-2542-4D3D-873D-0243DEE3F0A0"},{"vulnerable":true,"criteria":"cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*","matchCriteriaId":"AF019D2D-C426-4D2D-A254-442CE777B41E"},{"vulnerable":true,"criteria":"cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*","matchCriteriaId":"FFCE8717-85D2-4F4F-91DF-C6DA341C4E19"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","matchCriteriaId":"A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}],"references":[{"url":"https://success.trendmicro.com/solution/000263632","source":"security@trendmicro.com","tags":["Vendor Advisory"]},{"url":"https://success.trendmicro.com/solution/000267260","source":"security@trendmicro.com","tags":["Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1094/","source":"security@trendmicro.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://success.trendmicro.com/solution/000263632","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://success.trendmicro.com/solution/000267260","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1094/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-24557","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}