CVE-2021-27434

{"id": "CVE-2021-27434", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-05-20T14:15:07.767", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-674"}]}, {"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow."}, {"lang": "es", "value": "Productos con el programa Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versiones V3.0.7 y anteriores (solo versiones de .NET 4.5, 4.0 y 3.5 Framework) son vulnerables a una recursividad no controlada, que puede permitir a un atacante desencadenar un desbordamiento de pila"}], "lastModified": "2023-10-15T16:18:45.880", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:unified-automation:.net_based_opc_ua_client\\/server_sdk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72FFADD0-F648-492C-9A45-1456EEDAAD06", "versionEndIncluding": "3.0.7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688"}, {"criteria": "cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "792B417F-96A0-4E9D-9E79-5D7F982E2225"}, {"criteria": "cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "61FAD9EE-FA7F-4B39-8A9B-AFFAEC8BF214"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}