Security advisory

{
  "id": "47b017ba3fb37a43d632407e2307bf900dcb6221b513a07876ec8de29da4440f",
  "url": "https://osv.dev/vulnerability/CVE-2020-10749",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-10749",
    "summary": "A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or other containers, to redirect traffic to the malicious container.",
    "evidence": "osv:CVE-2020-10749",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-10749",
      "aliases": [
        "CVE-2020-10749",
        "GHSA-fx6x-h9g4-56f8",
        "GO-2023-1915"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/containernetworking/plugins",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ad10b6fa91aacd720f1f9ab94341a97a82a24965"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:cni_network_plugins:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.8.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.8.5",
            "v0.8.4",
            "v0.8.3",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.7.0-rc2",
            "v0.7.0-rc1",
            "v0.6.0-rc2",
            "v0.6.0",
            "v0.6.0-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10749.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:50.192524710Z",
      "provider": "osv",
      "references": [
        "https://groups.google.com/forum/#%21topic/kubernetes-security-announce/BMb_6ICCfp8",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DV3HCDZYUTPPVDUMTZXDKK6IUO3JMGJC/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10749"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.0"
                  },
                  {
                    "last_affected": "7.0"
                  },
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:openshift_container_platform",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.0"
                  },
                  {
                    "last_affected": "4.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-10749",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437173,
  "published_at": "2020-06-03T14:15:12.47+00:00"
}