{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-20307","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2023-11-08T15:08:07.631Z","datePublished":"2024-03-27T17:23:40.022Z","dateUpdated":"2024-08-01T21:59:41.468Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2024-03-27T17:23:40.022Z"},"descriptions":[{"lang":"en","value":"A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap overflow, resulting in an affected device reloading.\r\n\r This vulnerability exists because crafted, fragmented IKEv1 packets are not properly reassembled. An attacker could exploit this vulnerability by sending crafted UDP packets to an affected system. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.\r\n\r Note: Only traffic that is directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic."}],"affected":[{"vendor":"Cisco","product":"IOS","versions":[{"version":"15.1(2)SG8","status":"affected"},{"version":"15.2(4)M11","status":"affected"},{"version":"15.1(2)SY8","status":"affected"},{"version":"15.1(2)SY9","status":"affected"},{"version":"15.1(2)SY10","status":"affected"},{"version":"15.1(2)SY11","status":"affected"},{"version":"15.1(2)SY12","status":"affected"},{"version":"15.1(2)SY13","status":"affected"},{"version":"15.1(2)SY14","status":"affected"},{"version":"15.1(2)SY15","status":"affected"},{"version":"15.1(2)SY16","status":"affected"},{"version":"15.3(3)S8","status":"affected"},{"version":"15.3(3)S9","status":"affected"},{"version":"15.3(3)S10","status":"affected"},{"version":"15.3(3)S8a","status":"affected"},{"version":"15.2(4)E2","status":"affected"},{"version":"15.2(3)E4","status":"affected"},{"version":"15.2(5)E","status":"affected"},{"version":"15.2(4)E3","status":"affected"},{"version":"15.2(5b)E","status":"affected"},{"version":"15.2(3)E5","status":"affected"},{"version":"15.2(4)E4","status":"affected"},{"version":"15.2(4)E5","status":"affected"},{"version":"15.2(4)E5a","status":"affected"},{"version":"15.2(4)E6","status":"affected"},{"version":"15.2(4)E7","status":"affected"},{"version":"15.2(4)E8","status":"affected"},{"version":"15.2(4)E9","status":"affected"},{"version":"15.2(4)E10","status":"affected"},{"version":"15.2(4)E10a","status":"affected"},{"version":"15.2(4)E10d","status":"affected"},{"version":"15.4(3)S6","status":"affected"},{"version":"15.4(3)S7","status":"affected"},{"version":"15.4(3)S6a","status":"affected"},{"version":"15.4(3)S8","status":"affected"},{"version":"15.4(3)S9","status":"affected"},{"version":"15.4(3)S10","status":"affected"},{"version":"15.3(3)M8","status":"affected"},{"version":"15.3(3)M9","status":"affected"},{"version":"15.3(3)M10","status":"affected"},{"version":"15.3(3)M8a","status":"affected"},{"version":"15.2(1)SY3","status":"affected"},{"version":"15.2(1)SY4","status":"affected"},{"version":"15.2(1)SY5","status":"affected"},{"version":"15.2(1)SY6","status":"affected"},{"version":"15.2(1)SY7","status":"affected"},{"version":"15.2(1)SY8","status":"affected"},{"version":"15.5(3)S3","status":"affected"},{"version":"15.5(1)S4","status":"affected"},{"version":"15.5(2)S4","status":"affected"},{"version":"15.5(3)S4","status":"affected"},{"version":"15.5(3)S5","status":"affected"},{"version":"15.5(3)S6","status":"affected"},{"version":"15.5(3)S6a","status":"affected"},{"version":"15.5(3)S7","status":"affected"},{"version":"15.5(3)S6b","status":"affected"},{"version":"15.5(3)S8","status":"affected"},{"version":"15.5(3)S9","status":"affected"},{"version":"15.5(3)S10","status":"affected"},{"version":"15.5(3)S9a","status":"affected"},{"version":"15.5(2)T4","status":"affected"},{"version":"15.2(5)EA","status":"affected"},{"version":"15.2(4)EA4","status":"affected"},{"version":"15.2(4)EA5","status":"affected"},{"version":"15.2(4)EA6","status":"affected"},{"version":"15.2(4)EA7","status":"affected"},{"version":"15.2(4)EA8","status":"affected"},{"version":"15.2(4)EA9","status":"affected"},{"version":"15.2(4)EA9a","status":"affected"},{"version":"15.5(3)M3","status":"affected"},{"version":"15.5(3)M4","status":"affected"},{"version":"15.5(3)M4a","status":"affected"},{"version":"15.5(3)M5","status":"affected"},{"version":"15.5(3)M6","status":"affected"},{"version":"15.5(3)M7","status":"affected"},{"version":"15.5(3)M6a","status":"affected"},{"version":"15.5(3)M8","status":"affected"},{"version":"15.5(3)M9","status":"affected"},{"version":"15.5(3)M10","status":"affected"},{"version":"15.3(1)SY1","status":"affected"},{"version":"15.3(1)SY2","status":"affected"},{"version":"15.2(4)EC1","status":"affected"},{"version":"15.2(4)EC2","status":"affected"},{"version":"15.4(1)SY","status":"affected"},{"version":"15.4(1)SY1","status":"affected"},{"version":"15.4(1)SY2","status":"affected"},{"version":"15.4(1)SY3","status":"affected"},{"version":"15.4(1)SY4","status":"affected"},{"version":"15.5(1)SY","status":"affected"},{"version":"15.5(1)SY1","status":"affected"},{"version":"15.5(1)SY2","status":"affected"},{"version":"15.5(1)SY3","status":"affected"},{"version":"15.5(1)SY4","status":"affected"},{"version":"15.5(1)SY5","status":"affected"},{"version":"15.5(1)SY6","status":"affected"},{"version":"15.5(1)SY7","status":"affected"},{"version":"15.5(1)SY8","status":"affected"},{"version":"15.5(1)SY9","status":"affected"},{"version":"15.5(1)SY10","status":"affected"},{"version":"15.5(1)SY11","status":"affected"},{"version":"15.7(3)M","status":"affected"},{"version":"15.7(3)M1","status":"affected"},{"version":"15.7(3)M0a","status":"affected"},{"version":"15.7(3)M3","status":"affected"},{"version":"15.7(3)M2","status":"affected"},{"version":"15.7(3)M4","status":"affected"},{"version":"15.7(3)M5","status":"affected"},{"version":"15.7(3)M4a","status":"affected"},{"version":"15.7(3)M4b","status":"affected"},{"version":"15.7(3)M6","status":"affected"},{"version":"15.7(3)M7","status":"affected"},{"version":"15.7(3)M8","status":"affected"},{"version":"15.7(3)M9","status":"affected"},{"version":"15.8(3)M","status":"affected"},{"version":"15.8(3)M1","status":"affected"},{"version":"15.8(3)M0a","status":"affected"},{"version":"15.8(3)M0b","status":"affected"},{"version":"15.8(3)M2","status":"affected"},{"version":"15.8(3)M1a","status":"affected"},{"version":"15.8(3)M3","status":"affected"},{"version":"15.8(3)M2a","status":"affected"},{"version":"15.8(3)M4","status":"affected"},{"version":"15.8(3)M3a","status":"affected"},{"version":"15.8(3)M3b","status":"affected"},{"version":"15.8(3)M5","status":"affected"},{"version":"15.8(3)M6","status":"affected"},{"version":"15.8(3)M7","status":"affected"},{"version":"15.8(3)M8","status":"affected"},{"version":"15.8(3)M9","status":"affected"},{"version":"15.8(3)M10","status":"affected"},{"version":"15.9(3)M","status":"affected"},{"version":"15.9(3)M1","status":"affected"},{"version":"15.9(3)M0a","status":"affected"},{"version":"15.9(3)M2","status":"affected"},{"version":"15.9(3)M3","status":"affected"},{"version":"15.9(3)M2a","status":"affected"},{"version":"15.9(3)M3a","status":"affected"},{"version":"15.9(3)M4","status":"affected"},{"version":"15.9(3)M3b","status":"affected"},{"version":"15.9(3)M5","status":"affected"},{"version":"15.9(3)M4a","status":"affected"},{"version":"15.9(3)M6","status":"affected"},{"version":"15.9(3)M7","status":"affected"},{"version":"15.9(3)M6a","status":"affected"},{"version":"15.9(3)M6b","status":"affected"},{"version":"15.9(3)M7a","status":"affected"},{"version":"15.3(3)JPI11","status":"affected"}]},{"vendor":"Cisco","product":"Cisco 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