{"id":"CVE-2019-4055","aliases":["EUVD-2019-13662","GHSA-q2xx-h2wh-wv97"],"status":"published","title":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable...","description":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02147,"percentile":0.82235,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-19T16:20:15Z","modified":"2026-06-17T02:36:04Z","products":[{"vendor":"ibm","product":"mq"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/docview.wss?uid=ibm10870484","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/156564","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/108027","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-4055"},{"url":"https://github.com/advisories/GHSA-q2xx-h2wh-wv97"}],"sources":{"cve":[{"id":"CVE-2019-4055","description":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.","status":"published","published":"2019-04-19T16:20:15.989Z","modified":"2024-09-17T04:14:16.419Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:20:24.989116Z"}],"euvd":[{"id":"EUVD-2019-13662","description":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.","status":"published","published":"2019-04-19T16:20:15Z","modified":"2024-09-17T04:14:16Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U","level":"high"}],"updated_at":"2026-11-03T00:28:24.821388Z"}],"ghsa":[{"id":"GHSA-q2xx-h2wh-wv97","title":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable...","description":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.","status":"published","published":"2022-05-24T16:44:00Z","modified":"2023-01-28T05:05:25Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:20.513282Z"}],"nvd":[{"id":"CVE-2019-4055","description":"IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.","status":"published","published":"2019-04-19T17:29:01.987Z","modified":"2026-06-17T02:36:04.813Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:11.426883Z"}]}}