CVE-2020-3231

{"id": "CVE-2020-3231", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.9, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 5.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 4.7, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2020-06-03T18:15:21.090", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c2960L-DpWA9Re4", "tags": ["Patch", "Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-863"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the 802.1X feature of Cisco Catalyst 2960-L Series Switches and Cisco Catalyst CDB-8P Switches could allow an unauthenticated, adjacent attacker to forward broadcast traffic before being authenticated on the port. The vulnerability exists because broadcast traffic that is received on the 802.1X-enabled port is mishandled. An attacker could exploit this vulnerability by sending broadcast traffic on the port before being authenticated. A successful exploit could allow the attacker to send and receive broadcast traffic on the 802.1X-enabled port before authentication."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad 802.1X de Cisco Catalyst 2960-L Series Switches y Cisco Catalyst CDB-8P Switches, podr\u00eda permitir a un atacante adyacente no autenticado reenviar el tr\u00e1fico de difusi\u00f3n antes de ser autenticado en el puerto. La vulnerabilidad se presenta porque el tr\u00e1fico de difusi\u00f3n que se recibe en el puerto habilitado para 802.1X se maneja inapropiadamente. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de tr\u00e1fico de difusi\u00f3n en el puerto antes de ser autenticado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante enviar y recibir tr\u00e1fico de difusi\u00f3n en el puerto habilitado para 802.1X antes de la autenticaci\u00f3n."}], "lastModified": "2020-06-08T18:25:55.433", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:15.2\\(5\\)e2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD28874B-148A-4299-9AA1-67A550B25F8C"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(5\\)ex:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7A472B96-0DDE-49DD-A7E3-A82DD6AEB3DD"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(5a\\)e:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3A2EB46D-16E0-4C31-8634-C33D70B5381A"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(5b\\)e:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F29B2E6F-ED6C-4568-9042-7A1BD96A9E07"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(5c\\)e:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7803B445-FE22-4D4B-9F3A-68EFE528195E"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "199DCF1B-8A1E-47CC-87A6-64E6F21D8886"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e0c:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD05109E-1183-419D-96A1-9CD5EA5ECC3C"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3C73A3A-4B84-476F-AC3C-81DCB527E29A"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e1a:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7551128E-9E23-4C42-A681-6BE64D284C93"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e1s:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EB7BFE1-06ED-4B45-8B4F-2B309B8D6342"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5DEE2C71-C401-43D1-86DC-725FE5FDF87E"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e2b:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB2842F6-4CD5-457C-AC75-241A5AB9534B"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5ABE0470-E94A-4CAF-865D-73E2607A0DC1"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(6\\)e4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D229A62B-032E-499C-B02F-6EB07D5FF524"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7\\)e:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6437E689-A049-4D48-AB7A-49CA7EBDE8B6"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7\\)e0a:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "110B699D-169E-4932-A480-6EBB90CAE94B"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7\\)e0b:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4C12918-E5BB-465E-9DA4-06B7351DD805"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7\\)e0s:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4862C453-8BD7-4D53-B2D6-CE3E44A4915A"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7a\\)e0b:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1374E243-4EC2-4A81-991C-B5705135CAD2"}, {"criteria": "cpe:2.3:o:cisco:ios:15.2\\(7b\\)e0b:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6ECA6101-94BA-4209-8243-A56AF02963EA"}, {"criteria": "cpe:2.3:o:cisco:ios:15.3\\(3\\)jaa1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EAE1AD0D-C3E9-488C-89CB-F2342CF6D5A0"}, {"criteria": "cpe:2.3:o:cisco:ios:15.3\\(3\\)jpj:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F69B4F2-4A03-4383-8958-11EE154A7350"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}