CVE-2021-23139

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{"affected": [{"affectedData": [{"product": "Trend Micro Apex One", "vendor": "Trend Micro", "versions": [{"status": "affected", "version": "2019"}]}, {"product": "Trend Micro Worry-Free Business Security", "vendor": "Trend Micro", "versions": [{"status": "affected", "version": "10.0 SP1"}]}], "source": "security@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*", "matchCriteriaId": "AF019D2D-C426-4D2D-A254-442CE777B41E", "vulnerable": true}, {"criteria": "cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:saas:*:*:*", "matchCriteriaId": "8FA15535-6AC8-4062-BE7B-CD545B7516E2", "vulnerable": true}, {"criteria": "cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*", "matchCriteriaId": "FFCE8717-85D2-4F4F-91DF-C6DA341C4E19", "vulnerable": true}, {"criteria": "cpe:2.3:a:trendmicro:worry-free_business_security_services:-:*:*:*:saas:*:*:*", "matchCriteriaId": "25F873F7-FC62-4234-99EE-E3BDEBB36C2A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A null pointer vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 could allow an attacker to crash the CGI program on affected installations."}, {"lang": "es", "value": "Una vulnerabilidad de puntero null en Trend Micro Apex One y Worry-Free Business Security versi\u00f3n 10.0 SP1, podr\u00eda permitir a un atacante bloquear el programa CGI en las instalaciones afectadas"}], "id": "CVE-2021-23139", "lastModified": "2026-06-17T03:38:20.217", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-21T08:15:07.093", "references": [{"source": "security@trendmicro.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://success.trendmicro.com/solution/000289229"}, {"source": "security@trendmicro.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://success.trendmicro.com/solution/000289230"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://success.trendmicro.com/solution/000289229"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://success.trendmicro.com/solution/000289230"}], "sourceIdentifier": "security@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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