What’s Vulnerable › Vulnerabilities
CVE-2025-13357: Vault Terraform Provider Applied Incorrect Defaults for LDAP Auth Method
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-11-21 · updated 2026-10-08
- Weakness: CWE-1188
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.
Affected products
- HashiCorp Terraform Provider: from 4.2.0 before 5.5.0 — fixed in 5.5.0
How to fix
Upgrade to a fixed version: HashiCorp Terraform Provider 5.5.0. Check the vendor advisory for mitigations.
References
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