Vault's LDAP Auth Method Allows for User Enumeration

CVE-2023-3462

5.3MEDIUM

Key Information

Vendor: Hashicorp
Status: Vault; Vault Enterprise
Vendor: CVE Published:; 31 July 2023

Summary

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.

Affected Version(s)

Vault <= 1.13.4

Vault = 1.14.0

CVSS V3.1

Score:

5.3

Severity:

MEDIUM

Confidentiality:

Low

Integrity:

None

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

None

Scope:

Unchanged

Timeline

Vulnerability published.
Jul 31, 2023
Vulnerability Reserved.
Jun 29, 2023

Collectors

NVD DatabaseMitre Database

Credit

Jared Johnstone