CVE-2021-20517

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{"affected": [{"affectedData": [{"product": "WebSphere Application Server ND", "vendor": "IBM", "versions": [{"status": "affected", "version": "8.5"}, {"status": "affected", "version": "9.0"}]}], "source": "psirt@us.ibm.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:*", "matchCriteriaId": "0983B3A1-AFE5-4E82-9A3C-AA06BFE02BE8", "versionEndExcluding": "8.5.5.20", "versionStartIncluding": "8.5.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:*", "matchCriteriaId": "B45D54C7-E306-47A5-856F-5B39CD1470E3", "versionEndExcluding": "9.0.5.8", "versionStartIncluding": "9.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing \"dot dot\" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435."}, {"lang": "es", "value": "IBM WebSphere Application Server Network Deployment versiones 8.5 y 9.0, podr\u00eda permitir a un atacante remoto autenticado saltar directorios. Un atacante podr\u00eda enviar una petici\u00f3n de URL especialmente dise\u00f1ada conteniendo secuencias de \"dot dot\" (/../) para leer y eliminar archivos arbitrarios en el sistema. IBM X-Force ID: 198435"}], "id": "CVE-2021-20517", "lastModified": "2026-06-17T03:33:57.647", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 4.7, "source": "psirt@us.ibm.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-07T14:15:07.767", "references": [{"source": "psirt@us.ibm.com", "tags": ["VDB Entry", "Vendor Advisory"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198435"}, {"source": "psirt@us.ibm.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/6456955"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["VDB Entry", "Vendor Advisory"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/198435"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/6456955"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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