{
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              "content": {
                "id": "CVE-2025-20209",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-12T17:50:42.688446Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2025-03-12T17:51:32.083Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "defaultStatus": "unknown",
          "product": "Cisco IOS XR Software",
          "vendor": "Cisco",
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              "status": "affected",
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            {
              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "7.3.27"
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              "status": "affected",
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            {
              "status": "affected",
              "version": "7.5.2"
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            {
              "status": "affected",
              "version": "7.7.1"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "7.8.1"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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            {
              "status": "affected",
              "version": "7.8.22"
            },
            {
              "status": "affected",
              "version": "7.10.1"
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            {
              "status": "affected",
              "version": "7.7.21"
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            {
              "status": "affected",
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            {
              "status": "affected",
              "version": "7.11.1"
            },
            {
              "status": "affected",
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            {
              "status": "affected",
              "version": "24.1.1"
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              "status": "affected",
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              "status": "affected",
              "version": "24.2.1"
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              "status": "affected",
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              "status": "affected",
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          ]
        }
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      "descriptions": [
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          "lang": "en",
          "value": "A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets.\u0026nbsp;\r\n\r\nThis vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "Allocation of Resources Without Limits or Throttling",
              "lang": "en",
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            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-12T16:13:12.340Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-xrike-9wYGpRGq",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq"
        },
        {
          "name": "Crafting endless AS-PATHS in BGP",
          "url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/"
        }
      ],
      "source": {
        "advisory": "cisco-sa-xrike-9wYGpRGq",
        "defects": [
          "CSCwk64612"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2025-20209",
    "datePublished": "2025-03-12T16:13:12.340Z",
    "dateReserved": "2024-10-10T19:15:13.231Z",
    "dateUpdated": "2025-03-12T17:51:32.083Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-20209\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2025-03-12T16:15:22.507\",\"lastModified\":\"2025-03-12T16:15:22.507\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets.\u0026nbsp;\\r\\n\\r\\nThis vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition.\\r\\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\"}],\"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: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\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"references\":[{\"url\":\"https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/\",\"source\":\"psirt@cisco.com\"},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq\",\"source\":\"psirt@cisco.com\"}]}}"
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