{"id":"CVE-2020-4465","aliases":["EUVD-2020-25712","GHSA-xr77-4rxw-6357"],"status":"published","title":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a...","description":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/PR:L/AC:H/C:N/A:H/AV:N/UI:N/I:N/RL:O/RC:C/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01907,"percentile":0.799,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-07-28T12:05:27Z","modified":"2026-06-17T03:20:01Z","products":[{"vendor":"ibm","product":"mq appliance"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6252783","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/181562","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4465"},{"url":"https://github.com/advisories/GHSA-xr77-4rxw-6357"}],"sources":{"cve":[{"id":"CVE-2020-4465","description":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.","status":"published","published":"2020-07-28T12:05:27.638Z","modified":"2024-09-16T23:56:15.178Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/PR:L/AC:H/C:N/A:H/AV:N/UI:N/I:N/RL:O/RC:C/E:U","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-25712","description":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.","status":"published","published":"2020-07-28T12:05:27Z","modified":"2024-09-16T23:56:15Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/S:U/PR:L/AC:H/C:N/A:H/AV:N/UI:N/I:N/RL:O/RC:C/E:U","level":"medium"}],"updated_at":"2026-11-03T00:29:03.911526Z"}],"ghsa":[{"id":"GHSA-xr77-4rxw-6357","title":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a...","description":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.","status":"published","published":"2022-05-24T17:24:34Z","modified":"2023-01-29T05:03:25Z","updated_at":"2026-11-02T14:45:19.009235Z"}],"nvd":[{"id":"CVE-2020-4465","description":"IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.","status":"published","published":"2020-07-28T12:15:12.427Z","modified":"2026-06-17T03:20:01.063Z","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"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:10.086163Z"}]}}