{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T08:29:40.149","vulnerabilities":[{"cve":{"id":"CVE-2022-20751","sourceIdentifier":"psirt@cisco.com","published":"2022-05-03T04:15:09.700","lastModified":"2024-11-21T06:43:28.677","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the Snort detection engine integration for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause unlimited memory consumption, which could lead to a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient memory management for certain Snort events. An attacker could exploit this vulnerability by sending a series of crafted IP packets that would generate specific Snort events on an affected device. A sustained attack could cause an out of memory condition on the affected device. A successful exploit could allow the attacker to interrupt all traffic flowing through the affected device. In some circumstances, the attacker may be able to cause the device to reload, resulting in a DoS condition."},{"lang":"es","value":"Una vulnerabilidad en la integración del motor de detección Snort para el software Cisco Firepower Threat Defense (FTD) podría permitir a un atacante remoto no autenticado causar un consumo ilimitado de memoria, lo que podría conllevar a una condición de denegación de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad es debido a una administración insuficiente de la memoria para determinados eventos de Snort. Un atacante podría explotar esta vulnerabilidad  mediante el envío de una serie de paquetes IP diseñados que generarían eventos Snort específicos en un dispositivo afectado. Un ataque sostenido podría causar una condición de falta de memoria en el dispositivo afectado. Una explotación con éxito podría permitir al atacante interrumpir todo el tráfico que fluye a través del dispositivo afectado. En algunas circunstancias, el atacante podría 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-770"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"operator":"AND","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:7.1.0.0:*:*:*:*:*:*:*","matchCriteriaId":"B7533780-0DF9-41BE-8455-F60676785689"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1000:-:*:*:*:*:*:*:*","matchCriteriaId":"E6F79864-CA70-4192-AC2C-E174DF3F25B2"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1010:-:*:*:*:*:*:*:*","matchCriteriaId":"7FFE3880-4B85-4E23-9836-70875D5109F7"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1020:-:*:*:*:*:*:*:*","matchCriteriaId":"EA8B5AF8-6A57-482A-9442-E857EE7E207B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1030:-:*:*:*:*:*:*:*","matchCriteriaId":"A9929280-2AAC-4B56-A42C-1F6EDE83988E"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1040:-:*:*:*:*:*:*:*","matchCriteriaId":"F29B6BC3-D716-4A3D-9679-B7BE81F719C8"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1120:-:*:*:*:*:*:*:*","matchCriteriaId":"727A02E8-40A1-4DFE-A3A2-91D628D3044F"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1140:-:*:*:*:*:*:*:*","matchCriteriaId":"19F6546E-28F4-40DC-97D6-E0E023FE939B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_1150:-:*:*:*:*:*:*:*","matchCriteriaId":"EB3B0EC3-4654-4D90-9D41-7EC2AD1DDF99"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_2100:-:*:*:*:*:*:*:*","matchCriteriaId":"D23A26EF-5B43-437C-A962-4FC69D8A0FF4"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_2110:-:*:*:*:*:*:*:*","matchCriteriaId":"52D96810-5F79-4A83-B8CA-D015790FCF72"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_2120:-:*:*:*:*:*:*:*","matchCriteriaId":"16FE2945-4975-4003-AE48-7E134E167A7F"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_2130:-:*:*:*:*:*:*:*","matchCriteriaId":"DCE7122A-5AA7-4ECD-B024-E27C9D0CFB7B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_2140:-:*:*:*:*:*:*:*","matchCriteriaId":"976901BF-C52C-4F81-956A-711AF8A60140"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_4100:-:*:*:*:*:*:*:*","matchCriteriaId":"9E9552E6-0B9B-4B32-BE79-90D4E3887A7B"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_4110:-:*:*:*:*:*:*:*","matchCriteriaId":"A0CBC7F5-7767-43B6-9384-BE143FCDBD7F"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_4112:-:*:*:*:*:*:*:*","matchCriteriaId":"957D64EB-D60E-4775-B9A8-B21CA48ED3B1"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_4115:-:*:*:*:*:*:*:*","matchCriteriaId":"A694AD51-9008-4AE6-8240-98B17AB527EE"},{"vulnerable":false,"criteria":"cpe:2.3:h:cisco:firepower_4120:-:*:*:*:*:*:*:*","matchCriteriaId":"38AE6DC0-2B03-4D36-9856-42530312CC46"},{"vulnerable":false,"cri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