{"id":"CVE-2021-39034","aliases":["EUVD-2021-25471","GHSA-hp4f-cj7x-h6mc"],"status":"published","title":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel...","description":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/C:N/AC:H/PR:L/I:N/A:H/UI:N/AV:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01041,"percentile":0.64495,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-02-17T16:30:11Z","modified":"2026-06-17T04:03:00Z","products":[{"vendor":"ibm","product":"mq"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6556466","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/213964","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39034"},{"url":"https://github.com/advisories/GHSA-hp4f-cj7x-h6mc"}],"sources":{"cve":[{"id":"CVE-2021-39034","description":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.","status":"published","published":"2022-02-17T16:30:11.043Z","modified":"2024-09-16T17:14:09.555Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/C:N/AC:H/PR:L/I:N/A:H/UI:N/AV:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-25471","description":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.","status":"published","published":"2022-02-17T16:30:11Z","modified":"2024-09-16T17:14:09Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/C:N/AC:H/PR:L/I:N/A:H/UI:N/AV:N/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:44.31512Z"}],"ghsa":[{"id":"GHSA-hp4f-cj7x-h6mc","title":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel...","description":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.","status":"published","published":"2022-02-18T00:00:34Z","modified":"2023-02-03T05:06:07Z","updated_at":"2026-11-02T14:53:50.761362Z"}],"nvd":[{"id":"CVE-2021-39034","description":"IBM MQ 9.1 LTS is vulnerable to a denial of service attack caused by an issue within the channel process. IBM X-Force ID: 213964.","status":"published","published":"2022-02-17T17:15:09.323Z","modified":"2026-06-17T04:03:00.217Z","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":5.3,"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":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}