{"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":"8.0.0.8"},{"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"},{"status":"affected","version":"9.1.0.4"},{"status":"affected","version":"9.1.4"}]}],"source":"psirt@us.ibm.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:*","matchCriteriaId":"307594DE-42ED-4BCA-9E0B-E8ECA97DB799","versionEndExcluding":"8.0.0.14","versionStartIncluding":"8.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*","matchCriteriaId":"B0E59D46-75D6-486D-8016-0B1BF8F8EB69","versionEndExcluding":"9.1.0.4","versionStartIncluding":"9.1.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:mq_appliance:*:*:*:*:continuous_delivery:*:*:*","matchCriteriaId":"D27D8F49-7FAA-4E4B-BCE4-34F4CF0282BA","versionEndExcluding":"9.1.5","versionStartIncluding":"9.1.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840."},{"lang":"es","value":"IBM MQ y MQ Appliance versiones 8.0, 9.1 LTS y 9.1 CD, podrían permitir a un usuario autenticado causar una denegación de servicio debido a una pérdida de la memoria. ID de IBM X-Force: 175840."}],"id":"CVE-2020-4267","lastModified":"2026-06-17T03:19:44.547","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":"2020-04-24T16:15:13.307","references":[{"source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/175840"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6195384"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/175840"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6195384"}],"sourceIdentifier":"psirt@us.ibm.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-401"}],"source":"nvd@nist.gov","type":"Primary"}]}