Security advisory

{
  "id": "e4fa7270cdb7685303dcb40d01dbbe48f3fc0334050bf7323d644e8c24b429a1",
  "url": "https://osv.dev/vulnerability/CVE-2020-35453",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35453",
    "summary": "HashiCorp Vault Enterprise’s Sentinel EGP policy feature incorrectly allowed requests to be processed in parent and sibling namespaces. Fixed in 1.5.6 and 1.6.1.",
    "evidence": "osv:CVE-2020-35453",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35453",
      "aliases": [
        "BIT-vault-2020-35453",
        "CVE-2020-35453"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashicorp/vault",
              "type": "GIT",
              "events": [
                {
                  "introduced": "340cc2fa263f6cbd2861b41518da8a62c153e2e7"
                },
                {
                  "fixed": "5799790292fd6f65b08b63df8e8f0981c29c8d15"
                },
                {
                  "introduced": "7ce0bd9691998e0443bc77e98b1e2a4ab1e965d4"
                },
                {
                  "fixed": "6d2db3f033e02e70202bef9ec896360062b88b03"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "fixed": "1.5.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "fixed": "1.5.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
                    "range": [
                      {
                        "introduced": "1.6.0"
                      },
                      {
                        "fixed": "1.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "1.6.0"
                      },
                      {
                        "fixed": "1.6.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35453.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:18.835978056Z",
      "provider": "osv",
      "references": [
        "https://discuss.hashicorp.com/t/hcsec-2020-24-vault-enterprise-s-sentinel-egp-policies-may-impact-parent-or-sibling-namespaces/18983",
        "https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35453",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384264,
  "published_at": "2020-12-17T05:15:10.86+00:00"
}