{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T05:40:40.025","vulnerabilities":[{"cve":{"id":"CVE-2024-20304","sourceIdentifier":"psirt@cisco.com","published":"2024-09-11T17:15:11.853","lastModified":"2024-10-03T14:20:07.680","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the multicast traceroute version 2 (Mtrace2) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust the UDP packet memory of an affected device.\r\n\r\nThis vulnerability exists because the Mtrace2 code does not properly handle packet memory. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to exhaust the incoming UDP packet memory. The affected device would not be able to process higher-level UDP-based protocols packets, possibly causing a denial of service (DoS) condition.\r\nNote: This vulnerability can be exploited using IPv4 or IPv6."},{"lang":"es","value":"Una vulnerabilidad en la función multicast traceroute versión 2 (Mtrace2) del software Cisco IOS XR podría permitir que un atacante remoto no autenticado agote la memoria de paquetes UDP de un dispositivo afectado. Esta vulnerabilidad existe porque el código Mtrace2 no maneja correctamente la memoria de paquetes. Un atacante podría aprovechar esta vulnerabilidad enviando paquetes manipulados a un dispositivo afectado. Una explotación exitosa podría permitir que el atacante agote la memoria de paquetes UDP entrantes. El dispositivo afectado no podría procesar paquetes de protocolos basados en UDP de nivel superior, lo que posiblemente provoque una condición de denegación de servicio (DoS). Nota: Esta vulnerabilidad se puede aprovechar utilizando IPv4 o IPv6."}],"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-401"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.7.1:*:*:*:*:*:*:*","matchCriteriaId":"1807BE16-BAA9-4BC6-B98A-13D584A12821"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.7.2:*:*:*:*:*:*:*","matchCriteriaId":"375746CB-695E-4019-89C9-42ED37A5E958"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.7.21:*:*:*:*:*:*:*","matchCriteriaId":"CE7D05C0-4065-448B-AAC6-F29E379F3DA6"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.8.1:*:*:*:*:*:*:*","matchCriteriaId":"D8ADA2B1-FD5A-4900-953B-30951C8EF9AE"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.8.2:*:*:*:*:*:*:*","matchCriteriaId":"9B4C7223-3EFB-48C2-BE22-941F60826D0C"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.8.12:*:*:*:*:*:*:*","matchCriteriaId":"9A14959D-63E1-4B5A-BB7F-A9A2AF3F1137"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.8.22:*:*:*:*:*:*:*","matchCriteriaId":"4EE83701-C0B7-4ED2-866B-44B7F54FCA0F"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.9.1:*:*:*:*:*:*:*","matchCriteriaId":"164B241C-397A-4921-BC5B-F928A21E91C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.9.2:*:*:*:*:*:*:*","matchCriteriaId":"FAD3875D-D283-4961-BE31-750FDF9CDF56"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.9.21:*:*:*:*:*:*:*","matchCriteriaId":"87EF9DC5-4BE2-429D-B9BA-EF9F29E7E0F7"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.10.1:*:*:*:*:*:*:*","matchCriteriaId":"BAEC28C0-8091-49F9-88D1-CB96234BF52A"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.10.2:*:*:*:*:*:*:*","matchCriteriaId":"E1ED2B72-A65C-47E4-87B3-D83F29428396"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.11.1:*:*:*:*:*:*:*","matchCriteriaId":"8904CAA5-4E01-462C-AE57-067902CD95FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:7.11.2:*:*:*:*:*:*:*","matchCriteriaId":"7750EA99-EC55-4F94-8730-18583647BBBA"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:24.1.1:*:*:*:*:*:*:*","matchCriteriaId":"BCE8E968-111F-4F57-93D3-E509AB540B87"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:24.1.2:*:*:*:*:*:*:*","matchCriteriaId":"B342A550-8600-45CF-8B9A-530770C9A0F4"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:24.2.1:*:*:*:*:*:*:*","matchCriteriaId":"D64E1C4D-46B0-4A18-B8EE-BEA732CBF1F8"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xr:24.2.11:*:*:*:*:*:*:*","matchCriteriaId":"11288A28-F0CF-4FEC-A0B7-3D93866F01FE"}]}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-pak-mem-exhst-3ke9FeFy","source":"psirt@cisco.com","tags":["Vendor Advisory"]}]}}]}