CVE-2026-21784

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21784", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-01-05T16:08:02.276Z", "datePublished": "2026-08-20T12:18:51.102Z", "dateUpdated": "2026-08-27T16:06:38.928Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-08-20T12:18:51.102Z"}, "title": "HCL IntelliOps Event Management is affected by multiple security vulnerabilities.", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "affected": [{"vendor": "HCL Software", "product": "IEM", "versions": [{"status": "affected", "version": "v1.4.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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."}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132456"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 4.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-27T15:42:28.731699Z", "id": "CVE-2026-21784", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T16:06:38.928Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21784", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-27T15:42:28.731699Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T15:43:22.569Z"}}], "cna": {"title": "HCL IntelliOps Event Management is affected by multiple security vulnerabilities.", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "HCL Software", "product": "IEM", "versions": [{"status": "affected", "version": "v1.4.0"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132456"}], "x_generator": {"engine": "Vulnogram 1.0.0"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "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.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-08-20T12:18:51.102Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21784", "state": "PUBLISHED", "dateUpdated": "2026-08-27T16:06:38.928Z", "dateReserved": "2026-01-05T16:08:02.276Z", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "datePublished": "2026-08-20T12:18:51.102Z", "assignerShortName": "HCL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "IEM", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "v1.4.0"}]}], "source": "psirt@hcl.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "HCL IntelliOps Event Management (IEM) se ve afectado por encabezados de seguridad de origen cruzado ausentes o inseguros. Este problema hace que el entorno y los recursos de la aplicaci\u00f3n sean susceptibles a interacci\u00f3n externa no autorizada y posible explotaci\u00f3n."}], "id": "CVE-2026-21784", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "psirt@hcl.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21784", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-27T15:42:28.731699Z", "version": "2.0.3"}}]}, "published": "2026-08-20T13:17:05.103", "references": [{"source": "psirt@hcl.com", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132456"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "psirt@hcl.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "v1.4.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "IEM", "source": "cna", "vendor": "HCL Software"}, "product": "iem", "vendor": "hcl_software"}], "created": "2026-08-20T22:15:04.093526+00:00", "updated": "2026-08-21T12:09:29.243401+00:00", "vendors": ["hcl_software", "hcl_software$PRODUCT$iem"]}