CVE-2021-40872

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:softing:smartlink_hw-dp:*:*:*:*:*:*:*:*", "matchCriteriaId": "6F7CE66A-2F1E-4EBB-BA6D-AA63ED40FD77", "versionEndIncluding": "1.10", "vulnerable": true}, {"criteria": "cpe:2.3:a:softing:uatoolkit_embedded:*:*:*:*:*:*:*:*", "matchCriteriaId": "E6CEDE30-1C5B-45B0-B4E9-A7A42485C03E", "versionEndExcluding": "1.40", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Softing Industrial Automation uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) or login as an anonymous user (bypassing security checks) by sending crafted messages to a OPC/UA server. The server process may crash unexpectedly because of an invalid type cast, and must be restarted."}, {"lang": "es", "value": "Se ha detectado un problema en Softing Industrial Automation uaToolkit Embedded versiones anteriores a 1.40. Unos atacantes remotos pueden causar una denegaci\u00f3n de servicio (DoS) o iniciar sesi\u00f3n como usuario an\u00f3nimo (omitiendo las comprobaciones de seguridad) mediante el env\u00edo de mensajes dise\u00f1ados a un servidor OPC/UA. El proceso del servidor puede bloquearse inesperadamente debido a un lanzamiento de tipo no v\u00e1lido, y debe reiniciarse"}], "id": "CVE-2021-40872", "lastModified": "2026-06-17T04:07:34.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-10T23:15:08.300", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://industrial.softing.com/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40872.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://industrial.softing.com/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40872.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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