{"id":"CVE-2021-29843","aliases":["EUVD-2021-16317","GHSA-w36r-438f-hgrv"],"status":"published","title":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by...","description":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/I:N/C:N/AC:H/S:U/A:H/UI:N/PR:L/AV:N/RC:C/RL:O/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00939,"percentile":0.61347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-11-08T16:50:32Z","modified":"2026-06-17T03:48:22Z","products":[{"vendor":"ibm","product":"mq appliance"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6513681","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/205203","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29843"},{"url":"https://github.com/advisories/GHSA-w36r-438f-hgrv"}],"sources":{"cve":[{"id":"CVE-2021-29843","description":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.","status":"published","published":"2021-11-08T16:50:32.227Z","modified":"2024-09-17T00:26:18.641Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/I:N/C:N/AC:H/S:U/A:H/UI:N/PR:L/AV:N/RC:C/RL:O/E:U","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16317","description":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.","status":"published","published":"2021-11-08T16:50:32Z","modified":"2024-09-17T00:26:18Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/I:N/C:N/AC:H/S:U/A:H/UI:N/PR:L/AV:N/RC:C/RL:O/E:U","level":"medium"}],"updated_at":"2026-11-03T00:28:59.343375Z"}],"ghsa":[{"id":"GHSA-w36r-438f-hgrv","title":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by...","description":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.","status":"published","published":"2022-05-24T19:20:01Z","modified":"2023-01-30T05:03:32Z","updated_at":"2026-11-02T14:46:51.429276Z"}],"nvd":[{"id":"CVE-2021-29843","description":"IBM MQ 9.1 LTS, 9.1 CD, 9.2 LTS, and 9.2CD is vulnerable to a denial of service attack caused by an issue processing message properties. IBM X-Force ID: 205203.","status":"published","published":"2021-11-08T17:15:07.757Z","modified":"2026-06-17T03:48:22.613Z","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":5.3,"vector":"CVSS:3.0/AV:N/AC:H/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":"2026-11-02T14:07:00.984108Z"}]}}