{"id":"CVE-2021-38958","aliases":["EUVD-2021-25395","GHSA-4gcr-hp5v-7hfv"],"status":"published","title":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a...","description":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042","severity":{"version":"3.0","score":5.1,"vector":"CVSS:3.0/S:U/UI:N/A:H/I:N/C:N/AV:L/PR:N/AC:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00219,"percentile":0.12541,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-11-30T16:45:15Z","modified":"2026-06-17T04:02:53Z","products":[{"vendor":"ibm","product":"mq appliance"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6519420","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/212043","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38958"},{"url":"https://github.com/advisories/GHSA-4gcr-hp5v-7hfv"}],"sources":{"cve":[{"id":"CVE-2021-38958","description":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042","status":"published","published":"2021-11-30T16:45:15.183Z","modified":"2024-09-16T20:16:24.685Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/S:U/UI:N/A:H/I:N/C:N/AV:L/PR:N/AC:H/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-25395","description":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042","status":"published","published":"2021-11-30T16:45:15Z","modified":"2024-09-16T20:16:24Z","cvss":[{"version":"3.0","score":5.1,"vector":"CVSS:3.0/S:U/UI:N/A:H/I:N/C:N/AV:L/PR:N/AC:H/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:15.889317Z"}],"ghsa":[{"id":"GHSA-4gcr-hp5v-7hfv","title":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a...","description":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042","status":"published","published":"2021-12-01T00:00:40Z","modified":"2023-02-01T05:06:44Z","updated_at":"2026-11-02T14:50:24.546925Z"}],"nvd":[{"id":"CVE-2021-38958","description":"IBM MQ Appliance 9.2 CD and 9.2 LTS is affected by a denial of service attack caused by a concurrency issue. IBM X-Force ID: 212042","status":"published","published":"2021-11-30T17:15:11.427Z","modified":"2026-06-17T04:02:53.61Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":5.1,"vector":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}