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This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20317 are related to improper authentication issues that are grouped under the Common Weakness Enumeration (CWE) CWE-287."}], "id": "CVE-2026-20317", "lastModified": "2026-08-20T16:17:21.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.8, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20317", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-20T15:40:41.775734Z", "version": "2.0.3"}}]}, "published": "2026-08-19T17:18:39.963", "references": [{"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-csw1-shSvndWP"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

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"affected", "versions": {"scheme": "generic", "value": "4.0.1.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.0.2.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.0.2.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.10.6.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.10.7.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.0.3.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.0.3.17"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.10.8.3"}}], "enrichment": {"confidence": 88.0, "confidence_source": "matching", "scores": [{"score": 88.0, "source": "matching"}]}, "original": {"product": "Cisco Secure Workload", "source": "cna", "vendor": "Cisco"}, "product": "secure_workload", "vendor": 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