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nvd-json-data-feeds/CVE-2023/CVE-2023-201xx/CVE-2023-20169.json

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{
"id": "CVE-2023-20169",
"sourceIdentifier": "ykramarz@cisco.com",
"published": "2023-08-23T19:15:07.893",
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"lastModified": "2023-08-31T15:00:30.660",
"vulnStatus": "Analyzed",
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"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to unexpectedly restart, which could cause an affected device to reload.\r\n\r This vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition due to the unexpected restart of the IS-IS process, which could cause the affected device to reload. Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2 adjacent to the affected device."
}
],
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{
"source": "nvd@nist.gov",
"type": "Primary",
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"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
},
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{
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"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
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"integrityImpact": "NONE",
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"baseScore": 7.4,
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},
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}
]
},
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"weaknesses": [
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"source": "nvd@nist.gov",
"type": "Primary",
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"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb",
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"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
]
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}
]
}
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