{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T03:05:34.720","vulnerabilities":[{"cve":{"id":"CVE-2022-20746","sourceIdentifier":"psirt@cisco.com","published":"2022-05-03T04:15:09.563","lastModified":"2024-11-21T06:43:28.040","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the TCP proxy functionality of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper handling of TCP flows. An attacker could exploit this vulnerability by sending a crafted stream of TCP traffic through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."},{"lang":"es","value":"Una vulnerabilidad en la funcionalidad del proxy TCP del software Cisco Firepower Threat Defense (FTD) podría permitir a un atacante remoto no autenticado desencadenar una condición de denegación de servicio (DoS). Esta vulnerabilidad es debido a un manejo inapropiado de los flujos TCP. Un atacante podría explotar esta vulnerabilidad  mediante el envío de un flujo diseñado de tráfico TCP a través de un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar la recarga del dispositivo, 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:C","baseScore":7.1,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.6,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-476"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"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":"7.0.0","versionEndExcluding":"7.0.2","matchCriteriaId":"536C9927-B64A-4959-BE92-9F2665AEA811"},{"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-tcp-dos-kM9SHhOu","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-kM9SHhOu","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}