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6.8
MEDIUM CVSS 3.1
CVE-2025-6037
Hashicorp Vault TLS Client Certificate Validation Bypass
Description

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

INFO

Published Date :

Aug. 1, 2025, 6:15 p.m.

Last Modified :

Aug. 13, 2025, 6:09 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-6037 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Hashicorp vault
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6037.

URL Resource
https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6037 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-6037 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6037 vulnerability anywhere in the article.

  • The Hacker News
CyberArk and HashiCorp Flaws Enable Remote Vault Takeover Without Credentials

Cybersecurity researchers have discovered over a dozen vulnerabilities in enterprise secure vaults from CyberArk and HashiCorp that, if successfully exploited, can allow remote attackers to crack open ... Read more

Published Date: Aug 09, 2025 (2 weeks, 1 day ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-6037 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 13, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* versions up to (excluding) 1.20.1 *cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* versions up to (excluding) 1.16.23 *cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* versions from (including) 1.17.0 up to (excluding) 1.18.12 *cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* versions from (including) 1.19.0 up to (excluding) 1.19.7 *cpe:2.3:a:hashicorp:vault:1.20.0:*:*:*:enterprise:*:*:*
    Added Reference Type HashiCorp Inc.: https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Aug. 01, 2025

    Action Type Old Value New Value
    Added Description Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-295
    Added Reference https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact