CVE-2021-34768

{"id": "CVE-2021-34768", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/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"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "published": "2021-09-23T03:15:20.380", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-capwap-dos-gmNjdKOY", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to insufficient validation of CAPWAP packets. An attacker could exploit the vulnerabilities by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition."}, {"lang": "es", "value": "Varias vulnerabilidades en el procesamiento del protocolo Control and Provisioning of Wireless Access Points (CAPWAP) de Cisco IOS XE Software para Cisco Catalyst 9000 Family Wireless Controllers podr\u00edan permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Estas vulnerabilidades son debido a que la comprobaci\u00f3n de los paquetes CAPWAP es insuficiente. Un atacante podr\u00eda explotar las vulnerabilidades mediante el env\u00edo de un paquete CAPWAP malformado a un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar que el dispositivo afectado se bloquee y se recargue, resultando en una condici\u00f3n de DoS"}], "lastModified": "2023-11-07T03:36:21.180", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4BF22C29-84DF-44CA-B574-FE04AB39E344"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2C7C0BA-D618-4B65-B42C-43393167EEE0"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "128F95D7-E49F-4B36-8F47-823C0298449E"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2B270A04-9961-4E99-806B-441CD674AFBD"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1360069D-0358-4746-8C3F-44C2A40988D7"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A6B707B-4543-41F1-83DF-49A93BF56FB1"}, {"criteria": "cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "938B0720-8CA7-43BA-9708-5CE9EC7A565A"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A48E6CF0-7A3B-4D11-8D02-0CD38F2420E9"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1B9ED0E5-CB20-4106-9CF2-8EB587B33543"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-40_wireless_controller:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8E283C34-43AE-49A5-A72B-32DEA185ABD3"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2B0E620C-8E09-4F7C-A326-26013173B993"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-80_wireless_controller:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ADB3AF13-5324-42CD-8EDB-6F730BF46214"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "FF93F1C8-669F-4ECB-8D81-ECDA7B550175"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2E0BA345-B7D7-4975-9199-4DC7875BBFD0"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "4E9EA95F-4E39-4D9C-8A84-D1F6014A4A40"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EA0BC769-C244-41BD-BE80-E67F4E1CDDA4"}, {"criteria": "cpe:2.3:h:cisco:catalyst_9800_embedded_wireless_controller:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "78706517-83F4-4D44-A6EC-B78ADCEABAC0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ykramarz@cisco.com"}