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CVE-2020-35453

Status: ModifiedMedium (5.3)—

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.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Hashicorp — Vault

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2020-35453",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-12-17T05:15:10.860",
  "references": [
    {
      "url": "https://discuss.hashicorp.com/t/hcsec-2020-24-vault-enterprise-s-sentinel-egp-policies-may-impact-parent-or-sibling-namespaces/18983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://discuss.hashicorp.com/t/hcsec-2020-24-vault-enterprise-s-sentinel-egp-policies-may-impact-parent-or-sibling-namespaces/18983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161",
      "tags": [
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de la política Sentinel EGP de HashiCorp Vault Enterprise, permitía incorrectamente peticiones a ser procesadas en los espacios de nombres de parent y sibling. Corregido en versiones 1.5.6 y 1.6.1"
    }
  ],
  "lastModified": "2026-06-17T03:13:44.063",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8BBE5051-FDC2-490C-A8FE-7134B02ADA31",
              "versionEndExcluding": "1.5.6",
              "versionStartIncluding": "1.5.0"
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FC2B5308-C3D8-4BB6-BE29-ECFA0262A4C9",
              "versionEndExcluding": "1.5.6",
              "versionStartIncluding": "1.5.0"
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C9C83375-2E73-4F4F-8913-77BA05950C9B",
              "versionEndExcluding": "1.6.1",
              "versionStartIncluding": "1.6.0"
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9AFA38F7-04B2-44AF-A1C9-F11EAC86D89D",
              "versionEndExcluding": "1.6.1",
              "versionStartIncluding": "1.6.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}