Security advisory

{
  "id": "32e9d834fca2d0160f2100e560d848a403ceb61dda4bae03f73b22a51b5ae3a1",
  "url": "https://osv.dev/vulnerability/CVE-2021-41803",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41803",
    "summary": "HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2.\"",
    "evidence": "osv:CVE-2021-41803",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-41803",
      "aliases": [
        "BIT-consul-2021-41803",
        "CVE-2021-41803",
        "GHSA-hr3v-8cp3-68rf",
        "GO-2024-2683"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/consul",
              "type": "GIT",
              "events": [
                {
                  "introduced": "12f574c9de39153466c65854d8dc32b467e6aa82"
                },
                {
                  "fixed": "716c835ecea933fa207c96d7f7363422c73069c8"
                },
                {
                  "introduced": "94542765739cff9b09469e1fc5e738ae8a334038"
                },
                {
                  "last_affected": "c6d0f9ecc48e2044db04f5795e997bd9179586de"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.1"
                      },
                      {
                        "fixed": "1.11.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.1"
                      },
                      {
                        "fixed": "1.11.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.12.4:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.4"
                      },
                      {
                        "last_affected": "1.12.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.12.4:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.4"
                      },
                      {
                        "last_affected": "1.12.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.13.1:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.13.1"
                      },
                      {
                        "last_affected": "1.13.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:consul:1.13.1:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.13.1"
                      },
                      {
                        "last_affected": "1.13.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.12.4",
            "1.13.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41803.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:30.962464310Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI/",
        "https://discuss.hashicorp.com/t/hcsec-2022-19-consul-auto-config-jwt-authorization-missing-input-validation/44627",
        "https://www.hashicorp.com/blog/category/consul"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41803",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432703,
  "published_at": "2022-09-23T01:15:08.623+00:00"
}