HOMEVULNERABILITIESCVE-2025-13357
CRITICAL

CVE-2025-13357

CWE-1188Published: November 21, 2025· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Risk Analysis

This critical vulnerability in Vault's Terraform Provider, prior to v5.5.0, incorrectly defaults 'deny_null_bind' to false for the LDAP auth method. If the underlying LDAP server allows anonymous or unauthenticated binds, this could result in authentication bypass. The CVSS score of 9.8 indicates extreme urgency, though no EPSS score is available to gauge exploitation likelihood.

No public exploit is known for this vulnerability, and it is not listed in CISA's KEV catalog. The flaw is remotely exploitable over the network with low attack complexity, making it a significant concern.

Recommended Action

Upgrade Vault Terraform Provider to v5.5.0 or later. Ensure that 'deny_null_bind' is explicitly set to true in your LDAP auth method configuration.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-13357 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

hashicorp1 product(s)
terraform provider
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2025-13357
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-1188
CISA KEVNo
Affected1 vendor(s)
PublishedNov 21, 2025

Related CVEs (CWE-1188)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2025-13357 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.