{"id":"CVE-2020-4592","aliases":["EUVD-2020-25839","GHSA-w986-fvg4-hvqg"],"status":"published","title":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration...","description":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/AV:N/AC:H/S:U/UI:N/I:H/C:N/A:N/RL:O/RC:C/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00787,"percentile":0.56585,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-11-18T17:20:18Z","modified":"2026-06-17T03:20:12Z","products":[{"vendor":"ibm","product":"mq appliance"},{"vendor":"ibm","product":"mq_appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6359019","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184755","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4592"},{"url":"https://github.com/advisories/GHSA-w986-fvg4-hvqg"}],"sources":{"cve":[{"id":"CVE-2020-4592","description":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.","status":"published","published":"2020-11-18T17:20:18.953Z","modified":"2024-09-16T22:40:17.273Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/AV:N/AC:H/S:U/UI:N/I:H/C:N/A:N/RL:O/RC:C/E:U","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25839","description":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.","status":"published","published":"2020-11-18T17:20:18Z","modified":"2024-09-16T22:40:17Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/AV:N/AC:H/S:U/UI:N/I:H/C:N/A:N/RL:O/RC:C/E:U","level":"medium"}],"updated_at":"2026-11-03T00:55:01.173561Z"}],"ghsa":[{"id":"GHSA-w986-fvg4-hvqg","title":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration...","description":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.","status":"published","published":"2022-05-24T17:34:35Z","modified":"2023-01-29T05:04:46Z","updated_at":"2026-11-02T14:45:37.901426Z"}],"nvd":[{"id":"CVE-2020-4592","description":"IBM MQ Appliance 9.1.CD and LTS could allow an authenticated user, under nondefault configuration to cause a data corruption attack due to an error when using segmented messages.","status":"published","published":"2020-11-18T18:15:12.763Z","modified":"2026-06-17T03:20:12.617Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","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:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}