{"containers": {"cna": {"affected": [{"product": "Cisco IOS XE Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-09-26T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2018-10-07T09:57:02", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20180926 Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec"}, {"name": "105416", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/105416"}], "source": {"advisory": "cisco-sa-20180926-macsec", "defect": [["CSCvh09411"]], "discovery": "UNKNOWN"}, "title": "Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2018-09-26T16:00:00-0500", "ID": "CVE-2018-15372", "STATE": "PUBLIC", "TITLE": "Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco IOS XE Software", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network."}]}, "impact": {"cvss": {"baseScore": "6.5", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-284"}]}]}, "references": {"reference_data": [{"name": "20180926 Cisco IOS XE Software MACsec MKA Using EAP-TLS Authentication Bypass Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec"}, {"name": "105416", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105416"}]}, "source": {"advisory": "cisco-sa-20180926-macsec", "defect": [["CSCvh09411"]], "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2018-15372", "datePublished": "2018-09-26T00:00:00", "dateReserved": "2018-08-17T00:00:00", "dateUpdated": "2018-10-07T09:57:02", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*", "matchCriteriaId": "57D4F634-03D5-4D9F-901C-7E9CE45F2F38", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*", "matchCriteriaId": "119A964D-ABC8-424D-8097-85B832A833BD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the MACsec Key Agreement (MKA) using Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) functionality of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass authentication and pass traffic through a Layer 3 interface of an affected device. The vulnerability is due to a logic error in the affected software. An attacker could exploit this vulnerability by connecting to and passing traffic through a Layer 3 interface of an affected device, if the interface is configured for MACsec MKA using EAP-TLS and is running in access-session closed mode. A successful exploit could allow the attacker to bypass 802.1x network access controls and gain access to the network."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad MACsec Key Agreement (MKA) empleando Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) de Cisco IOS XE Software podr\u00eda permitir que un atacante adyacente sin autenticar omita la autenticaci\u00f3n y pase tr\u00e1fico a trav\u00e9s de una interfaz Layer 3 de un dispositivo afectado. La vulnerabilidad se debe a un error de l\u00f3gica en el software afectado. Un atacante podr\u00eda explotar esta vulnerabilidad conect\u00e1ndose y pasando tr\u00e1fico mediante una interfaz Layer 3 de un dispositivo afectado, si dicha interfaz est\u00e1 configurada para MKA MACsec utilizando EAP-TLS y se est\u00e1 ejecutando en modo \"access-session closed\". Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante omita los controles de acceso de red 802.1x y obtenga acceso a la red."}], "id": "CVE-2018-15372", "lastModified": "2019-10-09T23:35:28.483", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-05T14:29:06.327", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105416"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-macsec"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-284"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}