{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T07:51:28.697","vulnerabilities":[{"cve":{"id":"CVE-2022-20757","sourceIdentifier":"psirt@cisco.com","published":"2022-05-03T04:15:09.763","lastModified":"2024-11-21T06:43:29.483","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the connection handling function in Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper traffic handling when platform limits are reached. An attacker could exploit this vulnerability by sending a high rate of UDP traffic through an affected device. A successful exploit could allow the attacker to cause all new, incoming connections to be dropped, resulting in a DoS condition."},{"lang":"es","value":"Una vulnerabilidad en la función de administración de conexiones del software Cisco Firepower Threat Defense (FTD) podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido al manejo inapropiado del tráfico cuando son alcanzados los límites de la plataforma. Un atacante podría explotar esta vulnerabilidad  mediante el envío de una alta tasa de tráfico UDP a través de un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar el bloqueo de todas las nuevas conexiones entrantes, resultando en una condición de DoS"}],"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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"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-770"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionEndExcluding":"6.4.0.15","matchCriteriaId":"35AD28D3-1C08-44EF-9148-371C9E7912E5"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5.0","versionEndExcluding":"6.6.5.2","matchCriteriaId":"CD7675E1-AE0A-4C69-915D-144597F1250E"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7.0","versionEndExcluding":"7.0.2","matchCriteriaId":"22E1337C-A0EE-467D-A06E-FBE1541DDFD2"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:7.1.0:*:*:*:*:*:*:*","matchCriteriaId":"D619BF54-1BA9-45D0-A876-92D7010088A0"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dos-JnnJm4wB","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dos-JnnJm4wB","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}