CVE-2021-34713

{"containers": {"cna": {"affected": [{"product": "Cisco IOS XR Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2021-09-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-399", "description": "CWE-399", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-09-09T05:00:33.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"}], "source": {"advisory": "cisco-sa-npspin-QYpwdhFD", "defect": [["CSCvq33187"]], "discovery": "INTERNAL"}, "title": "Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-09-08T16:00:00", "ID": "CVE-2021-34713", "STATE": "PUBLIC", "TITLE": "Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco IOS XR 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 Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."}]}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "impact": {"cvss": {"baseScore": "7.4", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-399"}]}]}, "references": {"reference_data": [{"name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"}]}, "source": {"advisory": "cisco-sa-npspin-QYpwdhFD", "defect": [["CSCvq33187"]], "discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:48.108Z"}, "title": "CVE Program Container", "references": [{"name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-07T21:40:45.646027Z", "id": "CVE-2021-34713", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T22:01:10.190Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2021-34713", "datePublished": "2021-09-09T05:00:33.935Z", "dateReserved": "2021-06-15T00:00:00.000Z", "dateUpdated": "2024-11-07T22:01:10.190Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD", "name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:19:48.108Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-34713", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-07T21:40:45.646027Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T21:41:33.213Z"}}], "cna": {"title": "Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "source": {"defect": [["CSCvq33187"]], "advisory": "cisco-sa-npspin-QYpwdhFD", "discovery": "INTERNAL"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XR Software", "versions": [{"status": "affected", "version": "n/a"}]}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "datePublic": "2021-09-08T00:00:00.000Z", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD", "name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-399", "description": "CWE-399"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2021-09-09T05:00:33.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"version": "3.0", "baseScore": "7.4", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}}, "source": {"defect": [["CSCvq33187"]], "advisory": "cisco-sa-npspin-QYpwdhFD", "discovery": "INTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "Cisco IOS XR Software"}]}, "vendor_name": "Cisco"}]}}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD", "name": "20210908 Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-399"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-34713", "STATE": "PUBLIC", "TITLE": "Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability", "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-09-08T16:00:00"}}}}, "cveMetadata": {"cveId": "CVE-2021-34713", "state": "PUBLISHED", "dateUpdated": "2024-11-07T22:01:10.190Z", "dateReserved": "2021-06-15T00:00:00.000Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2021-09-09T05:00:33.935Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Cisco IOS XR Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "matchCriteriaId": "E3B5D889-BB78-4A59-9BA8-AE379814DCE1", "versionEndExcluding": "6.6.3", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "matchCriteriaId": "95A9FD90-38BC-4DDA-AD94-DECD032AF8D9", "versionEndExcluding": "6.7.1", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "matchCriteriaId": "26088AB3-C36F-4157-941C-8F7F7993457C", "versionEndExcluding": "7.0.2", "versionStartIncluding": "7.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "matchCriteriaId": "A9A70D62-3F36-48FD-B4AC-690C23BCAF8A", "versionEndExcluding": "7.1.1", "versionStartIncluding": "7.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:asr_9000:-:*:*:*:*:*:*:*", "matchCriteriaId": "3FEF8271-315F-4756-931F-015F790BE693", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9000v-v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB91BE23-C710-473F-8E43-0E0DE760F8AD", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*", "matchCriteriaId": "324C97E6-1810-404F-9F45-6240F99FF039", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*", "matchCriteriaId": "57EB55BB-41B7-40A1-B6F5-142FE8AB4C16", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*", "matchCriteriaId": "433F4A82-04A4-4EAA-8C19-F7581DCD8D29", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9901:-:*:*:*:*:*:*:*", "matchCriteriaId": "2D5E60AB-94FF-448A-89D8-5D2197E21C74", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9902:-:*:*:*:*:*:*:*", "matchCriteriaId": "91474DBC-FB31-4DDF-96C5-311FA1D53A74", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9903:-:*:*:*:*:*:*:*", "matchCriteriaId": "FA241214-2F05-4360-9B50-385355E29CF4", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*", "matchCriteriaId": "A93212A4-50AB-42E7-89A4-5FBBAEA050C3", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9906:-:*:*:*:*:*:*:*", "matchCriteriaId": "EDA53A61-98B3-458C-8893-61CD7D6B1E48", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9910:-:*:*:*:*:*:*:*", "matchCriteriaId": "F396564E-B477-4A27-A189-CEB737552E25", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*", "matchCriteriaId": "5445CC54-ACFB-4070-AF26-F91FEAA85181", "vulnerable": false}, {"criteria": "cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*", "matchCriteriaId": "D7AA58E5-D7E1-48CF-93FF-C60EB85B2BC7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot."}, {"lang": "es", "value": "Una vulnerabilidad en el c\u00f3digo de bateo de Capa 2 de Cisco IOS XR Software que se ejecuta en los routers de Servicios de Agregaci\u00f3n de la serie Cisco ASR 9000 podr\u00eda permitir a un atacante adyacente no autenticado causar el reinicio de la tarjeta de l\u00ednea afectada. Esta vulnerabilidad es debido al manejo incorrecto de determinadas tramas Ethernet que causan un bucle de giro que puede hacer que los procesadores de red no respondan. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de tipos espec\u00edficos de tramas Ethernet en el segmento donde est\u00e1n conectadas las tarjetas de l\u00ednea afectadas. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar el reinicio de la tarjeta de l\u00ednea afectada"}], "id": "CVE-2021-34713", "lastModified": "2026-06-17T03:56:24.510", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-34713", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-07T21:40:45.646027Z", "version": "2.0.3"}}]}, "published": "2021-09-09T05:15:10.810", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}