{
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    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:50:57.823Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "VU#636397",
            "tags": [
              "x_transferred"
            ],
            "url": "https://kb.cert.org/vuls/id/636397/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.digi.com/resources/security"
          },
          {
            "name": "VU#636397",
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.kb.cert.org/vuls/id/636397"
          },
          {
            "name": "Security Concerns with IP Tunneling",
            "tags": [
              "x_transferred"
            ],
            "url": "https://datatracker.ietf.org/doc/html/rfc6169"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "RFC2003 - IP Encapsulation within IP",
          "vendor": "IETF",
          "versions": [
            {
              "status": "affected",
              "version": "STD 1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Thanks to Yannay Livneh for reporting this issue."
        }
      ],
      "datePublic": "2020-06-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-290",
              "description": "CWE-290 Authentication Bypass by Spoofing",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-17T21:10:04.191Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "name": "VU#636397",
          "url": "https://kb.cert.org/vuls/id/636397/"
        },
        {
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4"
        },
        {
          "url": "https://www.digi.com/resources/security"
        },
        {
          "name": "VU#636397",
          "url": "https://www.kb.cert.org/vuls/id/636397"
        },
        {
          "name": "Security Concerns with IP Tunneling",
          "url": "https://datatracker.ietf.org/doc/html/rfc6169"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Customers should apply the latest patch provided by the affected vendor that addresses this issue and prevents unspecified IP-in-IP packets from being processed. Devices manufacturers are urged to disable IP-in-IP in their default configuration and require their customers to explicitly configure IP-in-IP as and when needed."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic",
      "workarounds": [
        {
          "lang": "en",
          "value": "Users can block IP-in-IP packets by filtering IP protocol number 4. Note this filtering is for the IPv4 Protocol (or IPv6 Next Header) field value of 4 and not IP protocol version 4 (IPv4)."
        }
      ],
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  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2020-10136",
    "datePublished": "2020-06-02T08:35:12.921954Z",
    "dateReserved": "2020-03-05T00:00:00",
    "dateUpdated": "2024-09-17T00:56:11.850Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}