Search

Find a vulnerability

Search criteria Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.

    2 vulnerabilities found for RFC2003 - IP Encapsulation within IP by IETF

    CVE-2020-10136 (GCVE-0-2020-10136)

    Vulnerability from cvelistv5 – Published: 2020-06-02 08:35 – Updated: 2025-11-03 20:33
    VLAI
    Title
    IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic
    Summary
    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.
    Severity
    No CVSS data available.
    CWE
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    Impacted products
    Date Public
    2020-06-01 00:00
    Credits
    Thanks to Yannay Livneh for reporting this issue.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T20:33:32.981Z",
              "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"
              },
              {
                "url": "https://www.kb.cert.org/vuls/id/199397"
              }
            ],
            "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": "2020-06-01T00:00:00.000Z",
          "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)."
            }
          ],
          "x_generator": {
            "engine": "cveClient/1.0.15"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "assignerShortName": "certcc",
        "cveId": "CVE-2020-10136",
        "datePublished": "2020-06-02T08:35:12.921Z",
        "dateReserved": "2020-03-05T00:00:00.000Z",
        "dateUpdated": "2025-11-03T20:33:32.981Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2020-10136 (GCVE-0-2020-10136)

    Vulnerability from nvd – Published: 2020-06-02 08:35 – Updated: 2025-11-03 20:33
    VLAI
    Title
    IP-in-IP protocol allows a remote, unauthenticated attacker to route arbitrary network traffic
    Summary
    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.
    Severity
    No CVSS data available.
    CWE
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    Impacted products
    Date Public
    2020-06-01 00:00
    Credits
    Thanks to Yannay Livneh for reporting this issue.
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T20:33:32.981Z",
              "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"
              },
              {
                "url": "https://www.kb.cert.org/vuls/id/199397"
              }
            ],
            "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": "2020-06-01T00:00:00.000Z",
          "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)."
            }
          ],
          "x_generator": {
            "engine": "cveClient/1.0.15"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "assignerShortName": "certcc",
        "cveId": "CVE-2020-10136",
        "datePublished": "2020-06-02T08:35:12.921Z",
        "dateReserved": "2020-03-05T00:00:00.000Z",
        "dateUpdated": "2025-11-03T20:33:32.981Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }