{"containers": {"cna": {"affected": [{"product": "Cisco Web Security Appliance (WSA)", "vendor": "Cisco", "versions": [{"lessThan": "10.1.4-017", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "10.5.4-018", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "11.5.2-020", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "11.7.0-406", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2019-05-01T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. The vulnerability is due to insufficient validation of user-supplied input on the web and command-line interface. 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:web_security_appliance:10.5.2-072:*:*:*:*:*:*:*", "matchCriteriaId": "B8F218D6-2AF8-449B-8016-E0B8AAA362D9", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.0.0-641:*:*:*:*:*:*:*", "matchCriteriaId": "C4B430E9-EBFF-4B90-9844-D9758FA626D1", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.5.0-fcs-614:*:*:*:*:*:*:*", "matchCriteriaId": "3C6B51A2-D510-4DDC-9D9F-69E7F8B410B9", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:wsa10.5.0-fcs-000:*:*:*:*:*:*:*", "matchCriteriaId": "E08E0E51-0FD6-4B78-B0FE-B7E425E56208", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. The vulnerability is due to insufficient validation of user-supplied input on the web and command-line interface. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsystem. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root."}, {"lang": "es", "value": "Una vulnerabilidad en el subsistema de Subscripci\u00f3n de Registro (log subscription) de Cisco Web Security Appliance (WSA) podr\u00eda permitir a un atacante local autorizado ejecutar la inyecci\u00f3n de comandos y elevar los privilegios a root. La vulnerabilidad es debido a la comprobaci\u00f3n insuficiente de la entrada suministrada por el usuario en la web y en la interfaz de l\u00ednea de comandos. Un atacante podr\u00eda aprovechar esta vulnerabilidad al identificarse en el dispositivo afectado e inyectar comandos de scripting en el \u00e1mbito del subsistema de suscripci\u00f3n de registro. Una operaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar comandos arbitrarios en el sistema operativo subyacente y elevar los privilegios a root."}], "id": "CVE-2019-1816", "lastModified": "2023-03-24T18:14:09.223", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-03T17:29:00.937", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-privesc"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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