CVE-2020-13942

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{"affected": [{"affectedData": [{"product": "Apache Unomi", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "1.5.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:unomi:*:*:*:*:*:*:*:*", "matchCriteriaId": "CB764717-9346-4749-95B0-F77ABFA61841", "versionEndExcluding": "1.5.2", "versionStartIncluding": "1.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem."}, {"lang": "es", "value": "Es posible inyectar scripts OGNL o MVEL maliciosos en el endpoint p\u00fablico /context.json.&#xa0;Esto fue parcialmente corregido en la versi\u00f3n 1.5.1, pero un nuevo vector de ataque fue encontrado.&#xa0;En Apache Unomi versi\u00f3n 1.5.2, los scripts ahora est\u00e1n completamente filtrados de la entrada.&#xa0;Se recomienda altamente actualizar a la \u00faltima versi\u00f3n disponible de la versi\u00f3n 1.5.x para corregir este problema"}], "id": "CVE-2020-13942", "lastModified": "2026-06-17T02:53:56.880", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-24T18:15:11.910", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "http://unomi.apache.org./security/cve-2020-13942.txt"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": 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"weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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