CVE-2023-3462 - CVE House
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Status published Medium CVE-2023-3462

Vault's LDAP Auth Method Allows for User Enumeration

Vulnerability Description

HashiCorp's Vault and Vault Enterprise are vulnerable to user enumeration when using the LDAP auth method. An attacker may submit requests of existent and non-existent LDAP users and observe the response from Vault to check if the account is valid on the LDAP server. This vulnerability is fixed in Vault 1.14.1 and 1.13.5.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jared Johnstone

References

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Affected Vendor

Affected Software

Vault, Vault Enterprise
Vulnerable Versions:
1.13.0, 1.14.0

Timeline

Official Publish: July 31st, 2023
Last Modified: October 21st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-203

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1046 Network Service Discovery
Discovery