{"id":"CVE-2020-4766","aliases":["EUVD-2020-26013","GHSA-4mx5-h7cq-whf6"],"status":"published","title":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by...","description":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/C:N/PR:N/AV:N/S:U/A:H/UI:N/I:N/AC:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01487,"percentile":0.74264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-01-22T16:50:13Z","modified":"2026-06-17T03:20:27Z","products":[{"vendor":"ibm","product":"mq internet pass-thru"},{"vendor":"ibm","product":"mq_internet_pass-thru"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6406254","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/188903","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4766"},{"url":"https://github.com/advisories/GHSA-4mx5-h7cq-whf6"}],"sources":{"cve":[{"id":"CVE-2020-4766","description":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.","status":"published","published":"2021-01-22T16:50:13.674Z","modified":"2024-09-16T16:23:03.979Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/C:N/PR:N/AV:N/S:U/A:H/UI:N/I:N/AC:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-26013","description":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.","status":"published","published":"2021-01-22T16:50:13Z","modified":"2024-09-16T16:23:03Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/C:N/PR:N/AV:N/S:U/A:H/UI:N/I:N/AC:H/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:52.084115Z"}],"ghsa":[{"id":"GHSA-4mx5-h7cq-whf6","title":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by...","description":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources.  IBM X-Force ID:  188093.","status":"published","published":"2022-05-24T17:40:03Z","modified":"2023-01-29T05:05:30Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:45:48.396935Z"}],"nvd":[{"id":"CVE-2020-4766","description":"IBM MQ Internet Pass-Thru 2.1 and 9.2 could allow a remote user to cause a denial of service by sending malformed MQ data requests which would consume all available resources. IBM X-Force ID: 188093.","status":"published","published":"2021-01-22T17:15:12.74Z","modified":"2026-06-17T03:20:27.203Z","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":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}