CVE-2025-13357
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-21

Last updated on: 2025-12-10

Assigner: HashiCorp Inc.

Description
Vault’s Terraform Provider incorrectly set the default deny_null_bind parameter for the LDAP auth method to false by default, potentially resulting in an insecure configuration. If the underlying LDAP server allowed anonymous or unauthenticated binds, this could result in authentication bypass. This vulnerability, CVE-2025-13357, is fixed in Vault Terraform Provider v5.5.0.
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Meta Information
Published
2025-11-21
Last Modified
2025-12-10
Generated
2026-06-16
AI Q&A
2025-11-21
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13357
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
hashicorp terraform_provider From 4.2.0 (inc) to 5.5.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-1188 The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.
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Executive Summary

This vulnerability occurs because Vault's Terraform Provider incorrectly sets the default value of the deny_null_bind parameter for the LDAP authentication method to false. If the LDAP server allows anonymous or unauthenticated binds, this misconfiguration can lead to an authentication bypass, allowing unauthorized access.

Impact Analysis

The vulnerability can lead to authentication bypass if the LDAP server permits anonymous or unauthenticated binds. This means unauthorized users could gain access to systems or data that should be protected, potentially compromising confidentiality and integrity.

Mitigation Strategies

Upgrade the Vault Terraform Provider to version 5.5.0 or later, where the vulnerability is fixed. Additionally, verify and ensure that the deny_null_bind parameter for the LDAP auth method is set to true to prevent authentication bypass if the LDAP server allows anonymous or unauthenticated binds.

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