Home/CVE/HashiCorp Vault and Vault Enterprise 1.4.1 and newer allowed the enumeration of users via the LDAP auth method. Fixed in
CVE

CVE-2020-35177

HashiCorp Vault and Vault Enterprise 1.4.1 and newer allowed the enumeration of users via the LDAP auth method. Fixed in

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.

MEDIUM · CVSS 5.3 EPSS 0.00393
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-209Generation of Error Message Containing Sensitive Information
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Affected Products & Versions

2
hashicorp vault>= 1.5.0 and < 1.5.6
hashicorp vault>= 1.6.0 and < 1.6.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/vault MODERATE fixed in 1.5.6
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Key Vault Modified or Deleted
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Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Dec 2020 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.hashicorp.com/t/hcsec-2020-25-vault-s-ldap-auth-method-allows-user-enumeration/18984Vendor Advisory
https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#161Release Notes
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