{"id":"CVE-2026-21784","aliases":["EUVD-2026-63323","GHSA-hg5c-cxw6-wgq4"],"status":"published","title":"HCL IntelliOps Event Management is affected by multiple security vulnerabilities.","description":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00242,"percentile":0.15428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-08-20T12:18:51Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"hcl software","product":"iem"}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132456"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21784"},{"url":"https://github.com/advisories/GHSA-hg5c-cxw6-wgq4"}],"sources":{"cve":[{"id":"CVE-2026-21784","title":"HCL IntelliOps Event Management is affected by multiple security vulnerabilities.","description":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.","status":"published","published":"2026-08-20T12:18:51.102Z","modified":"2026-08-27T16:06:38.928Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-63323","description":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.","status":"published","published":"2026-08-20T12:18:51Z","modified":"2026-08-27T16:06:38Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:27.663452Z"}],"ghsa":[{"id":"GHSA-hg5c-cxw6-wgq4","title":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security...","description":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.","status":"published","published":"2026-08-20T15:34:16Z","modified":"2026-08-20T15:34:20Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:10:46.520021Z"}],"nvd":[{"id":"CVE-2026-21784","description":"HCL IntelliOps Event Management (IEM) is affected by missing or insecure Cross-Origin Security headers. This issue makes the application's environment and resources susceptible to unauthorized external interaction and potential exploitation.","status":"published","published":"2026-08-20T13:17:05.103Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}