{"id":"CVE-2021-20397","aliases":["EUVD-2021-7815","GHSA-pv6g-wrhh-xffr"],"status":"published","title":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows...","description":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/A:N/S:C/I:L/PR:N/C:L/AV:N/UI:R/AC:L/RL:O/E:H/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00653,"percentile":0.51567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-05T15:45:34Z","modified":"2026-06-17T03:33:47Z","products":[{"vendor":"ibm","product":"qradar siem"},{"vendor":"ibm","product":"qradar_security_information_and_event_manager"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6449688","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/196017","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20397"},{"url":"https://github.com/advisories/GHSA-pv6g-wrhh-xffr"}],"sources":{"cve":[{"id":"CVE-2021-20397","description":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.","status":"published","published":"2021-05-05T15:45:34.71Z","modified":"2024-09-16T23:01:04.398Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/A:N/S:C/I:L/PR:N/C:L/AV:N/UI:R/AC:L/RL:O/E:H/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7815","description":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.","status":"published","published":"2021-05-05T15:45:34Z","modified":"2024-09-16T23:01:04Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/A:N/S:C/I:L/PR:N/C:L/AV:N/UI:R/AC:L/RL:O/E:H/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:54:57.7565Z"}],"ghsa":[{"id":"GHSA-pv6g-wrhh-xffr","title":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows...","description":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.","status":"published","published":"2022-05-24T19:01:25Z","modified":"2023-01-29T05:07:31Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-20397","description":"IBM QRadar SIEM 7.3 and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 196017.","status":"published","published":"2021-05-05T16:15:07.853Z","modified":"2026-06-17T03:33:47.34Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}