{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21807", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-01-05T16:08:06.682Z", "datePublished": "2026-08-26T22:02:27.455Z", "dateUpdated": "2026-08-26T22:02:27.455Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-08-26T22:02:27.455Z"}, "title": "HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow", "datePublic": "2026-08-26T21:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based buffer overflow", "type": "CWE"}]}], "affected": [{"vendor": "HCLSoftware", "product": "BigFix Quantum Risk Analyzer", "versions": [{"status": "affected", "version": "2.0.1.47"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow."}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133289"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "LOW", "baseScore": 3.9, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "BigFix Quantum Risk Analyzer", "vendor": "HCLSoftware", "versions": [{"status": "affected", "version": "2.0.1.47"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow."}], "id": "CVE-2026-21807", "lastModified": "2026-08-26T23:17:12.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.9, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.4, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-26T23:17:12.713", "references": [{"source": "[email protected]", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133289"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"created": "2026-08-27T00:30:14.037201+00:00", "updated": "2026-08-27T00:30:14.037207+00:00", "vendors": []}