CVE-2020-20217

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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:o:mikrotik:routeros:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9AA7223-457D-46AA-8B5D-E70C53A38ED3", "versionEndExcluding": "6.47", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mikrotik RouterOs before 6.47 (stable tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/route process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU."}, {"lang": "es", "value": "Mikrotik RouterOs versiones anteriores a 6.47 (stable tree) sufre una vulnerabilidad de consumo de recursos no controlado en el proceso /nova/bin/route. Un atacante remoto autenticado puede causar una Denegaci\u00f3n de Servicio debido a una sobrecarga de la CPU del sistema"}], "id": "CVE-2020-20217", "lastModified": "2026-06-17T03:02:52.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-08T12:15:09.810", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://cwe.mitre.org/data/definitions/400.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20217/README.md"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cwe.mitre.org/data/definitions/400.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20217/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mikrotik.com/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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