{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T20:40:51.845","vulnerabilities":[{"cve":{"id":"CVE-2024-20502","sourceIdentifier":"psirt@cisco.com","published":"2024-10-02T19:15:14.780","lastModified":"2025-06-04T21:15:36.843","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability 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 on an affected device.\r\n\n This vulnerability is due to insufficient resource management while establishing SSL VPN sessions. An attacker could exploit this vulnerability by sending a series of crafted HTTPS requests to the VPN server of an affected device. A successful exploit could allow the attacker to cause the Cisco AnyConnect VPN server to stop accepting new connections, preventing new SSL VPN connections from being established. Existing SSL VPN sessions are not impacted.\r\n\n Note: When the attack traffic stops, the Cisco AnyConnect VPN server recovers gracefully without requiring manual intervention."},{"lang":"es","value":"Una vulnerabilidad en el servidor VPN de Cisco AnyConnect de los dispositivos Cisco Meraki MX y Cisco Meraki Z Series Teleworker Gateway podría permitir que un atacante remoto no autenticado provoque una condición de denegación de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a una gestión insuficiente de los recursos al establecer sesiones VPN SSL. Un atacante podría aprovechar esta vulnerabilidad enviando una serie de solicitudes HTTPS manipuladas al servidor VPN de un dispositivo afectado. Una explotación exitosa podría permitir al atacante hacer que el servidor VPN de Cisco AnyConnect deje de aceptar nuevas conexiones, lo que impediría que se establecieran nuevas conexiones VPN SSL. Las sesiones VPN SSL existentes no se ven afectadas. 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:L","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"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-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx65_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"17.6.0","versionEndExcluding":"18.211.2","matchCriteriaId":"B3C6574B-E879-4813-9516-93B41EBDFBD3"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx65:-:*:*:*:*:*:*:*","matchCriteriaId":"B3099A12-2D6F-4486-A690-1C809AF480B0"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx64_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"17.6.0","versionEndExcluding":"18.211.2","matchCriteriaId":"23FA0FF8-5926-4623-9348-4347331C5F3F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx64:-:*:*:*:*:*:*:*","matchCriteriaId":"BE749570-1EA6-4734-B96A-D02B3BA3A756"}]}]},{"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","versionEndExcluding":"18.211.2","matchCriteriaId":"869396D2-5CB1-45FF-8CC8-C6BA17548076"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx250:-:*:*:*:*:*:*:*","matchCriteriaId":"2D6CBE98-6B20-4F05-8871-0BEAD1D351B0"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx105_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"C86B5EA0-85E7-4B8D-83AE-445A2C945CB2"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx105:-:*:*:*:*:*:*:*","matchCriteriaId":"291C7E3A-74D1-4326-87A4-F60D60E3DC37"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx100_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"0AF66E98-18FB-4862-96C6-090F9B563AAC"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx100:-:*:*:*:*:*:*:*","matchCriteriaId":"4D4DE139-CCB5-4BDD-8827-07348B8F0FF2"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx95_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"40A18D40-3168-4270-A019-0FFB3652BD64"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx95:-:*:*:*:*:*:*:*","matchCriteriaId":"35740A98-6486-458C-99A9-8E23A781C917"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx85_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"DC297617-CF3B-4CD5-8E5B-14A5A58BB1AD"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx85:-:*:*:*:*:*:*:*","matchCriteriaId":"410A121A-037A-4D44-A35F-7AE41F93E5AF"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx84_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"5E4FB60C-E46F-4D0F-9C01-2D2670334694"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx84:-:*:*:*:*:*:*:*","matchCriteriaId":"B5A4239D-E115-4368-895A-002BBD94F243"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx75_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"995A6C94-CC7F-4CA4-8815-693E491652B4"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx75:-:*:*:*:*:*:*:*","matchCriteriaId":"2A892F3D-62F9-4B04-94E8-FD803159C47B"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx68w_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"900C8DC4-EF1C-4762-A517-F67665F3D724"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx68w:-:*:*:*:*:*:*:*","matchCriteriaId":"03F9C184-3811-4A26-846D-54ECE7CF939F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx68cw_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"0118FD5D-0D25-4984-A6EB-40EF70B85144"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx68cw:-:*:*:*:*:*:*:*","matchCriteriaId":"18E682AA-05AD-483F-915F-A2B2C98233B7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx68_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"FE27942F-86F1-480C-AFA1-762A5A9E775F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx68:-:*:*:*:*:*:*:*","matchCriteriaId":"2F6B4B5E-4FBB-48A9-B828-00C8AB479FB8"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx67w_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"87EE31D0-87F7-4943-96CC-D5BA48D5DFDA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx67w:-:*:*:*:*:*:*:*","matchCriteriaId":"F2529662-8A54-4DFC-80E7-922CF22DE2F3"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx67c_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"6AB39E09-A441-4F95-9F38-44942BDE98AD"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx67c:-:*:*:*:*:*:*:*","matchCriteriaId":"E9725A9F-B9B9-4784-AEEA-A5E5CE0A41F3"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx67_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"45953505-EF91-4825-95CD-51EE86D694A5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx67:-:*:*:*:*:*:*:*","matchCriteriaId":"2702FE73-E4AC-45C7-A212-44D783720798"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx65w_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"E1A471D3-2D62-4458-ADDE-53D60E55966C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx65w:-:*:*:*:*:*:*:*","matchCriteriaId":"69A23113-F7E1-4587-A4FF-A4AAB446A69D"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:meraki_mx64w_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"16.2","versionEndExcluding":"18.211.2","matchCriteriaId":"D24D11CA-67C0-4376-91DE-F62118062FED"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:meraki_mx64w:-:*:*:*:*:*:*:*","matchCriteriaId":"B1038F5F-020D-41FD-9C3D-F2685F1EA916"}]}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-meraki-mx-vpn-dos-QTRHzG2","source":"psirt@cisco.com","tags":["Vendor Advisory"]}]}}]}