{"affected":[{"affectedData":[{"product":"MQ Appliance","vendor":"IBM","versions":[{"status":"affected","version":"8.0.0.3"},{"status":"affected","version":"8.0.0.4"},{"status":"affected","version":"8.0.0.5"},{"status":"affected","version":"8.0.0.6"},{"status":"affected","version":"8.0.0.0"},{"status":"affected","version":"8.0.0.10"},{"status":"affected","version":"8.0.0.11"},{"status":"affected","version":"9.1.0.1"},{"status":"affected","version":"9.1.1"},{"status":"affected","version":"8.0.0.1"},{"status":"affected","version":"8.0.0.7"},{"status":"affected","version":"8.0.0.9"},{"status":"affected","version":"8.0.0.12"},{"status":"affected","version":"9.1.0.2"},{"status":"affected","version":"9.1.2"},{"status":"affected","version":"9.1.0.3"},{"status":"affected","version":"9.1.3"},{"status":"affected","version":"9.1"},{"status":"affected","version":"8.0.0.13"}]}],"source":"psirt@us.ibm.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*","matchCriteriaId":"540183D8-751B-4442-9A2A-95D26AB8D23B","versionEndExcluding":"8.0.0.14","versionStartIncluding":"8.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*","matchCriteriaId":"6DC4569D-0B83-4E88-A05D-3226DCF65E59","versionEndExcluding":"9.1.4","versionStartIncluding":"9.1.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq_appliance:*:*:*:*:lts:*:*:*","matchCriteriaId":"0AC72003-825A-4D5E-8012-E768CD8DFA3C","versionEndExcluding":"9.1.0.4","versionStartIncluding":"9.1.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"IBM MQ Appliance 8.0 and 9.0 LTS could allow a local attacker to bypass security restrictions caused by improper validation of environment variables. IBM X-Force ID: 168863."},{"lang":"es","value":"las variables de entorno en IBM MQ Appliance. (CVE-2019-4620)\tIBM MQ Appliance versiones 8.0 y 9.0 LTS, podría permitir a un atacante local omitir las restricciones de seguridad causadas por una comprobación inapropiada de las variables de entorno. ID de IBM X-Force: 168863."}],"id":"CVE-2019-4620","lastModified":"2026-06-17T02:36:43.813","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"LOCAL","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.6,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":3.9,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"exploitabilityScore":2.5,"impactScore":5.9,"source":"psirt@us.ibm.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":"2020-01-28T19:15:13.217","references":[{"source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/168863"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/1125891"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/168863"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/1125891"}],"sourceIdentifier":"psirt@us.ibm.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}