{"id":"CVE-2019-4656","aliases":["EUVD-2019-14263","GHSA-8vcg-h82j-6975"],"status":"published","title":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial...","description":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/UI:N/C:N/S:U/A:H/I:N/AC:L/PR:L/AV:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01436,"percentile":0.73347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-03-16T15:25:20Z","modified":"2026-06-17T02:36:46Z","products":[{"vendor":"ibm","product":"mq"},{"vendor":"ibm","product":"mq_appliance"},{"vendor":"ibm","product":"websphere_mq"}],"references":[{"url":"https://www.ibm.com/support/pages/node/1135095","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/170967","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-4656"},{"url":"https://github.com/advisories/GHSA-8vcg-h82j-6975"}],"sources":{"cve":[{"id":"CVE-2019-4656","description":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.","status":"published","published":"2020-03-16T15:25:20.439Z","modified":"2024-09-17T04:18:51.019Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/UI:N/C:N/S:U/A:H/I:N/AC:L/PR:L/AV:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:20:25.303966Z"}],"euvd":[{"id":"EUVD-2019-14263","description":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.","status":"published","published":"2020-03-16T15:25:20Z","modified":"2024-09-17T04:18:51Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/UI:N/C:N/S:U/A:H/I:N/AC:L/PR:L/AV:N/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:28:24.323088Z"}],"ghsa":[{"id":"GHSA-8vcg-h82j-6975","title":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial...","description":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.","status":"published","published":"2022-05-24T17:11:35Z","modified":"2023-01-29T05:02:00Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:58.142286Z"}],"nvd":[{"id":"CVE-2019-4656","description":"IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due to an error processing error messages. IBM X-Force ID: 170967.","status":"published","published":"2020-03-16T16:15:12.67Z","modified":"2026-06-17T02:36:46.073Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:45.254119Z"}]}}