FKIE_CVE-2025-6037

Vulnerability from fkie_nvd - Published: 2025-08-01 18:15 - Updated: 2025-08-13 18:09
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Summary
Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.
References
security@hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037Vendor Advisory
Impacted products
Vendor Product Version
hashicorp vault *
hashicorp vault *
hashicorp vault *
hashicorp vault *
hashicorp vault 1.20.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "FACD8B3A-DF81-45FE-A046-C52946E2FCC4",
              "versionEndExcluding": "1.16.23",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "3AC59271-E95C-433B-A789-F30C3DDBD579",
              "versionEndExcluding": "1.20.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "9E750D53-BBA7-4922-85CA-E55852B0A23A",
              "versionEndExcluding": "1.18.12",
              "versionStartIncluding": "1.17.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "EE2F3725-EADA-4406-9D63-8EDAF161CE2A",
              "versionEndExcluding": "1.19.7",
              "versionStartIncluding": "1.19.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:hashicorp:vault:1.20.0:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "562AD4B9-82F5-45C4-9214-7428247B790A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vault and Vault Enterprise (\u201cVault\u201d) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23."
    },
    {
      "lang": "es",
      "value": "El m\u00e9todo de autenticaci\u00f3n de certificados TLS de Vault y Vault Enterprise (\u00abVault\u00bb) no validaba correctamente los certificados de cliente al configurarse con un certificado no perteneciente a una CA como [+certificado de confianza+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. En esta configuraci\u00f3n, un atacante podr\u00eda manipular un certificado malicioso que podr\u00eda usarse para suplantar la identidad de otro usuario. Corregido en Vault Community Edition 1.20.1 y Vault Enterprise 1.20.1, 1.19.7, 1.18.12 y 1.16.23."
    }
  ],
  "id": "CVE-2025-6037",
  "lastModified": "2025-08-13T18:09:00.140",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "security@hashicorp.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-01T18:15:57.300",
  "references": [
    {
      "source": "security@hashicorp.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037"
    }
  ],
  "sourceIdentifier": "security@hashicorp.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "security@hashicorp.com",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.