CVE-2021-45117

{"id": "CVE-2021-45117", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2022-03-21T15:15:07.927", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.youtube.com/watch?v=qv-RBdCaV4k", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference."}, {"lang": "es", "value": "Los stubs de pila ANSI C autogenerados por OPC (en los NodeSets) no manejan todos los casos de error. Esto puede conllevar a una desreferencia de puntero NULL"}], "lastModified": "2022-09-03T03:55:39.127", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:opcfoundation:ua-nodeset:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14F2AA77-409B-48CA-9BBE-6EC6B5BA9EAF", "versionEndExcluding": "1.05.01"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "298E8F34-346B-4FC5-8690-3F947F585552"}, {"criteria": "cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DF90C44-4AC2-4B2B-8712-30CD3DE96B22"}, {"criteria": "cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "496E3C43-5DA8-4983-8AC6-0F32454E22F3"}, {"criteria": "cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFBD6DDF-917C-44CC-A944-1945DC7AC9FB"}, {"criteria": "cpe:2.3:a:siemens:sitop_manager:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F1ABC40-2C91-4EA9-9442-16E5D7C29E52"}, {"criteria": "cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "975FC6E7-8FDB-4361-A691-44B26B0CBFD4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}