{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T09:47:38.058","vulnerabilities":[{"cve":{"id":"CVE-2024-20499","sourceIdentifier":"psirt@cisco.com","published":"2024-10-02T19:15:14.143","lastModified":"2025-06-04T21:15:36.380","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Multiple vulnerabilities in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a DoS condition in the AnyConnect service on an affected device.\r\n\n These vulnerabilities are due to insufficient validation of client-supplied parameters while establishing an SSL VPN session. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request to the VPN server of an affected device. A successful exploit could allow the attacker to cause the Cisco AnyConnect VPN server to restart, resulting in the failure of the established SSL VPN connections and forcing remote users to initiate a new VPN connection and reauthenticate. A sustained attack could prevent new SSL VPN connections from being established.\r\n\n Note: When the attack traffic stops, the Cisco AnyConnect VPN server recovers gracefully without requiring manual intervention."},{"lang":"es","value":"Varias vulnerabilidades en el servidor VPN de Cisco AnyConnect de los dispositivos Cisco Meraki MX y Cisco Meraki Z Series Teleworker Gateway podrían permitir que un atacante remoto no autenticado provoque una condición de denegación de servicio (DoS) en el servicio AnyConnect de un dispositivo afectado. Estas vulnerabilidades se deben a una validación insuficiente de los parámetros proporcionados por el cliente al establecer una sesión VPN SSL. Un atacante podría aprovechar estas vulnerabilidades enviando una solicitud HTTPS manipulada al servidor VPN de un dispositivo afectado. Una explotación exitosa podría permitir que el atacante haga que el servidor VPN de Cisco AnyConnect se reinicie, lo que provocaría la falla de las conexiones VPN SSL establecidas y obligaría a los usuarios remotos a iniciar una nueva conexión VPN y volver a autenticarse. Un ataque sostenido podría evitar que se establezcan nuevas conexiones VPN SSL. Nota: Cuando el tráfico del ataque se detiene, el servidor VPN de Cisco AnyConnect se recupera sin problemas sin necesidad de intervención manual."}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-787"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_z4c_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"6B63AAC8-D59D-4EF1-829E-11E9CB18A41F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_z4c:-:*:*:*:*:*:*:*","matchCriteriaId":"AEE09C2D-9F52-4C72-9D7C-F9AF710D1174"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_z4_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"F62D4319-19DA-4DC0-88D0-DE859504EA6D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_z4:-:*:*:*:*:*:*:*","matchCriteriaId":"36770C3B-F962-48FB-9D9F-3EABB1F10EFD"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_z3c_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"F7C73DAF-C7AF-4090-8F96-3D6F93A1DABD"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_z3c:-:*:*:*:*:*:*:*","matchCriteriaId":"6646F004-E0E0-4316-A022-2793C28FBCCC"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_z3_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"5A4FD3B4-FD1F-4340-B4AC-D76C11DAD4D5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_z3:-:*:*:*:*:*:*:*","matchCriteriaId":"FB81CFD0-9558-47AB-96E4-CB21C1AA9159"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_vmx_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"96D29083-7535-4B23-9141-BF6CE2824184"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_vmx:-:*:*:*:*:*:*:*","matchCriteriaId":"D6CE4DAD-7FA3-4D1B-A24F-D2B9F4F331BF"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx600_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"1C8F2FA1-B439-4978-AD2B-34C98310D894"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx600:-:*:*:*:*:*:*:*","matchCriteriaId":"0A4CF5E0-A7D0-4C9D-A180-16288BE3AC1A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx450_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"D620C14D-7724-4C38-83A6-E33328EDE7C3"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx450:-:*:*:*:*:*:*:*","matchCriteriaId":"1B35EB71-8584-4803-A438-AEC406FD8445"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx400_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"A61EA9B6-126D-4174-8BEF-7FD311724C03"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx400:-:*:*:*:*:*:*:*","matchCriteriaId":"2ACA552D-78D3-4312-9537-28ADBB15E08A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx250_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versi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