CVE-2020-20266

{"id": "CVE-2020-20266", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-05-19T12:15:07.813", "references": [{"url": "https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_dot1x/README.md", "tags": ["Broken Link", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/fulldisclosure/2021/May/11", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_dot1x/README.md", "tags": ["Broken Link", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://seclists.org/fulldisclosure/2021/May/11", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference)."}, {"lang": "es", "value": "Mikrotik RouterOs versiones anteriores a 6.47 (stable tree) sufre una vulnerabilidad de corrupci\u00f3n de memoria en el proceso /nova/bin/dot1x. Un atacante remoto autenticado puede causar una denegaci\u00f3n de servicio (desreferencia del puntero NULL)"}], "lastModified": "2024-11-21T05:11:58.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "8534A9B0-405D-4E52-8B77-F48C6FD67DEB", "versionEndExcluding": "6.47"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}