{"id":"CVE-2021-29880","aliases":["EUVD-2021-16354","GHSA-cxjm-5x23-fhvf"],"status":"published","title":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be...","description":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be vulnerable to information disclosure between tenants by routing SIEM data to the incorrect domain. IBM X-Force ID: 206979.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/UI:N/C:H/AV:N/I:N/S:U/AC:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00852,"percentile":0.58561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2021-08-13T15:50:10Z","modified":"2026-06-17T03:48:25Z","products":[{"vendor":"ibm","product":"qradar siem"},{"vendor":"ibm","product":"qradar_security_information_and_event_manager"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6480957","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/206979","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29880"},{"url":"https://github.com/advisories/GHSA-cxjm-5x23-fhvf"}],"sources":{"cve":[{"id":"CVE-2021-29880","description":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be vulnerable to information disclosure between tenants by routing SIEM data to the incorrect domain. IBM X-Force ID: 206979.","status":"published","published":"2021-08-13T15:50:10.297Z","modified":"2024-09-17T00:11:34.583Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/UI:N/C:H/AV:N/I:N/S:U/AC:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-16354","description":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be vulnerable to information disclosure between tenants by routing SIEM data to the incorrect domain. IBM X-Force ID: 206979.","status":"published","published":"2021-08-13T15:50:10Z","modified":"2024-09-17T00:11:34Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/PR:L/UI:N/C:H/AV:N/I:N/S:U/AC:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:29:01.072419Z"}],"ghsa":[{"id":"GHSA-cxjm-5x23-fhvf","title":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be...","description":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be vulnerable to information disclosure between tenants by routing SIEM data to the incorrect domain. IBM X-Force ID: 206979.","status":"published","published":"2022-05-24T19:11:05Z","modified":"2023-01-27T05:03:20Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:42:13.302487Z"}],"nvd":[{"id":"CVE-2021-29880","description":"IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 1 when using domains or multi-tenancy could be vulnerable to information disclosure between tenants by routing SIEM data to the incorrect domain. IBM X-Force ID: 206979.","status":"published","published":"2021-08-13T16:15:07.28Z","modified":"2026-06-17T03:48:25.41Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}