CVE-2021-30186

{"id": "CVE-2021-30186", "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:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-05-25T13:15:17.677", "references": [{"url": "https://customers.codesys.com/index.php", "tags": ["Permissions Required", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow."}, {"lang": "es", "value": "CODESYS V2 runtime system SP versiones anteriores a 2.4.7.55, presenta un Desbordamiento del B\u00fafer en la regi\u00f3n Heap de la memoria"}], "lastModified": "2021-05-26T13:18:48.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E0183D6-64B3-40AE-946A-585A3C841087", "versionEndExcluding": "2.4.7.55"}, {"criteria": "cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "93332F55-63E0-469B-B983-BE49D37F51C9", "versionEndExcluding": "2.4.7.55"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}