CVE-2020-35177
Estado: ModificadaMedia (5.3)—
HashiCorp Vault and Vault Enterprise 1.4.1 and newer allowed the enumeration of users via the LDAP auth method. Fixed in 1.5.6 and 1.6.1.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.31%
- Percentil entre todas las CVEs puntuadas: 70
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-209
Referencias
- https://discuss.hashicorp.com/t/hcsec-2020-25-vault-s-ldap-auth-method-allows-user-enumeration/18984
- https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161
- https://discuss.hashicorp.com/t/hcsec-2020-25-vault-s-ldap-auth-method-allows-user-enumeration/18984
- https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-35177",
"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:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"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:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"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": "2020-12-17T05:15:10.737",
"references": [
{
"url": "https://discuss.hashicorp.com/t/hcsec-2020-25-vault-s-ldap-auth-method-allows-user-enumeration/18984",
"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-2020-25-vault-s-ldap-auth-method-allows-user-enumeration/18984",
"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": "CWE-209"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "HashiCorp Vault and Vault Enterprise 1.4.1 and newer allowed the enumeration of users via the LDAP auth method. Fixed in 1.5.6 and 1.6.1."
},
{
"lang": "es",
"value": "HashiCorp Vault y Vault Enterprise 1.4.1 y más recientes permitieron la enumeración de usuarios por medio del método de autenticación LDAP. Corregido en versiones 1.5.6 y 1.6.1"
}
],
"lastModified": "2026-06-17T03:13:28.850",
"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"
}