{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-09T01:07:08.849","vulnerabilities":[{"cve":{"id":"CVE-2020-3164","sourceIdentifier":"psirt@cisco.com","published":"2020-03-04T19:15:12.930","lastModified":"2024-11-21T05:30:27.597","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Content Security Management Appliance (SMA) could allow an unauthenticated remote attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of specific HTTP request headers. An attacker could exploit this vulnerability by sending a malformed HTTP request to an affected device. A successful exploit could allow the attacker to trigger a prolonged status of high CPU utilization relative to the GUI process(es). Upon successful exploitation of this vulnerability, an affected device will still be operative, but its response time and overall performance may be degraded."},{"lang":"es","value":"Una vulnerabilidad en la interfaz de administración basada en web de Cisco AsyncOS para Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA) y Cisco Content Security Management Appliance (SMA), podría permitir a un atacante remoto no autenticado causar una alta utilización de la CPU en un dispositivo afectado, resultando en una condición de denegación de servicio (DoS). La vulnerabilidad es debido a una comprobación inapropiada de encabezados de petición HTTP específicos. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición HTTP malformada en un dispositivo afectado. Una explotación con éxito podría permitir al atacante activar un estado prolongado de alta utilización de la CPU relativo a los procesos de la GUI. Tras la explotación con éxito de esta vulnerabilidad, un dispositivo afectado aún estará operativo, pero su tiempo de respuesta y desempeño general pueden ser degradados."}],"metrics":{"cvssMetricV31":[{"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:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV30":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:cloud_email_security:*:*:*:*:*:*:*:*","versionEndIncluding":"13.0.0-392","matchCriteriaId":"8F5D82F1-A826-47C2-8EA8-1BC70C3364D1"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:content_security_management_appliance:*:*:*:*:*:*:*:*","versionEndExcluding":"13.6.0","matchCriteriaId":"3B6D2616-E401-442D-87D2-44D04B56A6FA"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*","versionEndIncluding":"13.0.0-392","matchCriteriaId":"CDCDF973-E9EF-47B9-BA9D-2F34FC7BDBBC"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:web_security_appliance:*:*:*:*:*:*:*:*","versionEndIncluding":"12.0.1-268","matchCriteriaId":"F7E6D7F2-5BC6-49CD-92B3-DB1BECACE18F"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cont-sec-gui-dos-nJ625dXb","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cont-sec-gui-dos-nJ625dXb","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}