{"affected":[{"affectedData":[{"product":"MQ","vendor":"IBM","versions":[{"status":"affected","version":"9.0.0.1"},{"status":"affected","version":"8.0.0.1"},{"status":"affected","version":"8.0.0.2"},{"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":"8.0.0.7"},{"status":"affected","version":"9.0.0.2"},{"status":"affected","version":"7.5.0.1"},{"status":"affected","version":"7.5.0.2"},{"status":"affected","version":"7.5.0.3"},{"status":"affected","version":"7.5.0.4"},{"status":"affected","version":"7.5.0.5"},{"status":"affected","version":"7.5.0.6"},{"status":"affected","version":"7.5.0.7"},{"status":"affected","version":"7.5.0.8"},{"status":"affected","version":"8.0.0.8"},{"status":"affected","version":"7.1.0.1"},{"status":"affected","version":"7.1.0.2"},{"status":"affected","version":"7.1.0.3"},{"status":"affected","version":"7.1.0.4"},{"status":"affected","version":"7.1.0.5"},{"status":"affected","version":"7.1.0.6"},{"status":"affected","version":"7.1.0.7"},{"status":"affected","version":"8.0.0.9"},{"status":"affected","version":"9.0.0.3"},{"status":"affected","version":"8.0.0.0"},{"status":"affected","version":"8.0.0.10"},{"status":"affected","version":"9.0.0.0"},{"status":"affected","version":"9.0.0.4"},{"status":"affected","version":"9.0.0.5"},{"status":"affected","version":"9.1.0.0"},{"status":"affected","version":"9.1.0.1"},{"status":"affected","version":"9.1.1"},{"status":"affected","version":"9.1.0.2"},{"status":"affected","version":"9.1.2"},{"status":"affected","version":"8.0.0.11"},{"status":"affected","version":"9.0.0.6"},{"status":"affected","version":"7.1.0.0"},{"status":"affected","version":"7.1.0.8"},{"status":"affected","version":"7.1.0.9"},{"status":"affected","version":"7.5.0.0"},{"status":"affected","version":"7.5.0.9"},{"status":"affected","version":"8.0.0.12"}]}],"source":"psirt@us.ibm.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"0B3E8BAA-BB8B-4C63-A986-FB29EBBD4E1F","versionEndIncluding":"7.1.0.9","versionStartIncluding":"7.1.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"54B6D57B-1905-465D-BCE4-EE13032C79C7","versionEndIncluding":"7.5.0.9","versionStartIncluding":"7.5.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"621438DD-AB6A-4460-97AE-63E9D8404108","versionEndIncluding":"8.0.0.12","versionStartIncluding":"8.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"A43C5FE8-5203-4821-9683-4246C229154A","versionEndIncluding":"9.0.0.6","versionStartIncluding":"9.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"4584F29F-68F7-4D41-BE59-F6E453EAD853","versionEndIncluding":"9.1.2.0","versionStartIncluding":"9.1.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"IBM MQ 7.5.0.0 - 7.5.0.9, 7.1.0.0 - 7.1.0.9, 8.0.0.0 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 command server is vulnerable to a denial of service attack caused by an authenticated and authorized user using specially crafted PCF messages. IBM X-Force ID: 162084."},{"lang":"es","value":"En IBM MQ versiones 7.5.0.0 hasta 7.5.0.9, 7.1.0.0 hasta 7.1.0.9, 8.0.0.0 hasta 8.0.0.12, 9.0.0.0 hasta 9.0.0.6, 9.1.0.0 hasta 9.1.0.2 y 9.1.0 hasta 9.1.2. El servidor de comandos es vulnerable a un ataque de denegación de servicio causado por parte de un usuario autenticado y autorizado utilizando mensajes PCF especialmente diseñados. ID de IBM X-Force: 162084."}],"id":"CVE-2019-4378","lastModified":"2026-06-17T02:36:27.330","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"PARTIAL","baseScore":4.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":8.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":1.6,"impactScore":3.6,"source":"psirt@us.ibm.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2019-09-26T15:15:10.380","references":[{"source":"psirt@us.ibm.com","tags":["Third Party Advisory","VDB Entry"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/162084"},{"source":"psirt@us.ibm.com","tags":["Permissions Required","Vendor Advisory"],"url":"https://supportcontent.ibm.com/support/pages/node/886885"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/162084"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Vendor Advisory"],"url":"https://supportcontent.ibm.com/support/pages/node/886885"}],"sourceIdentifier":"psirt@us.ibm.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]}