{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-02T09:25:32.340","vulnerabilities":[{"cve":{"id":"CVE-2022-20946","sourceIdentifier":"psirt@cisco.com","published":"2022-11-15T21:15:35.317","lastModified":"2024-11-21T06:43:52.687","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to cause the device to restart, resulting in a DoS condition.\r\n\r    \r\n\r  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM [\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM\"]\r\n\r \r This advisory is part of the November 2022 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication."},{"lang":"es","value":"Una vulnerabilidad en la función de decapsulación de túnel de Generic Routing Encapsulation (GRE) del software Cisco Firepower Threat Defense (FTD) podría permitir que un atacante remoto no autenticado cause una condición de Denegación de Servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a un error de manejo de memoria que ocurre cuando se procesa el tráfico GRE. Un atacante podría aprovechar esta vulnerabilidad enviando un payload GRE manipulado a través de un dispositivo afectado. Un exploit exitoso podría permitir que el atacante reinicie el dispositivo, lo que provocaría una condición DoS. \nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM \nEste aviso es parte de la versión de noviembre de 2022 de la publicación del Security Advisory Bundled de Cisco ASA, FTD y FMC."}],"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}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-122"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.0","versionEndIncluding":"6.3.0.5","matchCriteriaId":"EDE0C110-518D-4E51-BCEB-F4E9FC448278"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndIncluding":"6.4.0.15","matchCriteriaId":"874E0E13-4A9E-4296-BEE6-F5B1077411A0"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5.0","versionEndIncluding":"6.5.0.5","matchCriteriaId":"171E1C5D-68C5-4BBC-AE18-D1518A1B7277"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.0","versionEndIncluding":"6.6.5.2","matchCriteriaId":"6362D78F-F131-46E4-8F0E-C7F218500017"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7.0","versionEndIncluding":"6.7.0.3","matchCriteriaId":"1110632C-526F-4025-A7BE-0CF9F37E5F9E"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndIncluding":"7.0.3","matchCriteriaId":"89DFD86B-768D-4301-92DB-B73C14255123"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:7.1.0.0:*:*:*:*:*:*:*","matchCriteriaId":"B7533780-0DF9-41BE-8455-F60676785689"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:7.1.0.1:*:*:*:*:*:*:*","matchCriteriaId":"469EA365-DED5-4436-AAC2-5553529DE700"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense:7.1.0.2:*:*:*:*:*:*:*","matchCriteriaId":"4D94F400-5A35-41F5-B37F-E9DA6F87ED8E"}]}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM","source":"psirt@cisco.com"},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}