HashiCorp Vault/Vault Enterprise up to 1.20.1 LDAP Auth Method whitespace

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in HashiCorp Vault and Vault Enterprise up to 1.20.1. Impacted is an unknown function of the component LDAP Auth Method Handler. This manipulation causes whitespace. This vulnerability is tracked as CVE-2025-6013. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in HashiCorp Vault and Vault Enterprise up to 1.20.1 and classified as problematic. Affected by this vulnerability is some unknown functionality of the component LDAP Auth Method Handler. The manipulation with an unknown input leads to a whitespace vulnerability. The CWE definition for the vulnerability is CWE-156. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as whitespace when they are sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_alias was set to true and a user had multiple CNs that are equal but with leading or trailing spaces. Fixed in Vault Community Edition 1.20.2 and Vault Enterprise 1.20.2, 1.19.8, 1.18.13, and 1.16.24.

It is possible to read the advisory at discuss.hashicorp.com. This vulnerability is known as CVE-2025-6013 since 06/11/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.20.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1730). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Hashicorp Vault

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (HashiCorp): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Whitespace
CWE: CWE-156 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Vault/Vault Enterprise 1.20.2

Timelineinfo

06/11/2025 CVE reserved
08/06/2025 +56 days Advisory disclosed
08/06/2025 +0 days VulDB entry created
12/15/2025 +131 days VulDB entry last update

Sourcesinfo

Advisory: discuss.hashicorp.com
Status: Confirmed

CVE: CVE-2025-6013 (🔒)
GCVE (CVE): GCVE-0-2025-6013
GCVE (VulDB): GCVE-100-319027
CERT Bund: WID-SEC-2025-1730 - Hashicorp Vault: Schwachstelle ermöglicht Umgehen der MFA

Entryinfo

Created: 08/06/2025 13:22
Updated: 12/15/2025 20:35
Changes: 08/06/2025 13:22 (63), 08/06/2025 18:01 (7), 12/15/2025 20:35 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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