cve-2024-20321
Vulnerability from cvelistv5
Published
2024-02-28 16:14
Modified
2024-08-16 20:12
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because eBGP traffic is mapped to a shared hardware rate-limiter queue. An attacker could exploit this vulnerability by sending large amounts of network traffic with certain characteristics through an affected device. A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.
References
ykramarz@cisco.comhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJVendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la implementaci\u00f3n del protocolo de puerta de enlace de frontera externa (eBGP) del software Cisco NX-OS podr\u00eda permitir que un atacante remoto no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad existe porque el tr\u00e1fico eBGP est\u00e1 asignado a una cola limitadora de velocidad de hardware compartida. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando grandes cantidades de tr\u00e1fico de red con determinadas caracter\u00edsticas a trav\u00e9s de un dispositivo afectado. Un exploit exitoso podr\u00eda permitir al atacante provocar la ca\u00edda de las sesiones vecinas de eBGP, lo que provocar\u00eda una condici\u00f3n DoS en la red.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@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: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}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f1\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21F43A5A-52A2-4094-8D36-39450B8F0E0D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f2\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"674D15C8-3946-4C2F-9B62-BC6E5BC67673\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f2\\\\(2\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"990FA11F-5158-4717-B716-C5D6D2D23D1B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D5DD2941-AD1E-4C13-8DAA-C5524B96AAB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(2\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"45A37F82-44B3-426C-A344-9054599BB426\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(3\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"907A3DEC-27F8-4D0A-9EE4-4681B6D9BADB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(3a\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"53378B5F-4A5B-425D-B8BE-455FAF924551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(3c\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A8F6C744-6501-4FAD-AF4F-12D3EA8F5BE4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(4\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"076216C6-C115-4C7C-A9E3-46A3986DA2AB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:7.0\\\\(3\\\\)f3\\\\(5\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A819AE96-3933-4AD2-AF30-36E199393E01\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DD96C7AE-EECC-43F4-9132-1E7F8047C701\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(2\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D43B9D6-0991-4370-9369-C0A1EDBF6627\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(2t\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6EB58108-78E4-4208-A549-C86B37422828\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(2v\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"46427F06-FAB1-4AB8-A6BF-3EE10608B4D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(3\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5FB6ADC7-97AC-4DD8-8F1B-448A63D8BE97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.2\\\\(4\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6E2484E7-24ED-4238-8ED3-FFFB7C479F18\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(1\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9A589031-946F-4016-AFC9-92FB033420D0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(2\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"20FF2A5A-CB80-4F58-856D-724AACB0864C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(3\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9FF50BFC-2DB3-4954-BC59-8B3D27D418E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(4\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F97A62E0-8A96-43A3-8FB1-FDC1B8A08049\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(5\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2A2F42DB-B22B-4880-BA73-D0E0295190DF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(6\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"85A8B2D7-BCF2-4B2E-8208-7D2FDF717C65\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:nx-os:9.3\\\\(7\\\\):*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C8A71DEB-93CD-4827-9F9E-3A0DFFAD145A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:n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Advisory\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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