{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T14:37:00.764","vulnerabilities":[{"cve":{"id":"CVE-2026-20015","sourceIdentifier":"psirt@cisco.com","published":"2026-03-04T18:16:15.853","lastModified":"2026-04-16T20:02:10.660","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may impact the availability of services to devices elsewhere in the network.\r\n\r This vulnerability is due to a memory leak when parsing IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device. A successful exploit could allow the attacker to exhaust resources, causing a DoS condition that will eventually require the device to be manually reloaded."},{"lang":"es","value":"Una vulnerabilidad en la función IKEv2 de Cisco Secure Firewall ASA Software y Cisco Secure FTD Software podría permitir a un atacante remoto no autenticado causar una condición DoS en un dispositivo afectado que podría impactar la disponibilidad de los servicios a dispositivos en otras partes de la red. Esta vulnerabilidad se debe a una fuga de memoria al analizar paquetes IKEv2. Un atacante podría explotar esta vulnerabilidad enviando paquetes IKEv2 manipulados a un dispositivo afectado. Un exploit exitoso podría permitir al atacante agotar los recursos, causando una condición DoS que eventualmente requerirá que el dispositivo sea recargado manualmente."}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.18.1","versionEndExcluding":"9.18.4.71","matchCriteriaId":"3341FE77-F3C2-4CCE-9CAE-4628BBEFA0D3"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.19.1","versionEndExcluding":"9.20.4.10","matchCriteriaId":"CE667ABD-2044-4C1E-9B75-4AD23BFF82FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.22.1.1","versionEndExcluding":"9.22.2.13","matchCriteriaId":"6023A38F-7A2D-4DFA-A44A-EBE014EB265F"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.23.1","versionEndExcluding":"9.23.1.19","matchCriteriaId":"FD31C3DC-9DE7-4845-BDC9-9AA38F6D3B64"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2.0","versionEndExcluding":"7.2.11","matchCriteriaId":"E9751FAD-D226-4FE9-BB2E-4ECEDAD95853"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.0","versionEndExcluding":"7.4.3","matchCriteriaId":"737DB8CE-EC0B-4221-A8BF-3E64702DE092"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.6.0","versionEndExcluding":"7.6.4","matchCriteriaId":"26A29A1A-8013-4CE1-8DE5-4C82778A1D96"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.7.0","versionEndExcluding":"7.7.11","matchCriteriaId":"A267F3D1-7449-4622-91AB-F9CA2DDDB61E"}]}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-eBueGdEG","source":"psirt@cisco.com","tags":["Vendor Advisory"]}]}}]}