ByteOS Network

NVD Vulnerability Details :

CVE-2025-4166

Analyzed

Source-security@hashicorp.com

Published At-02 May, 2025 | 15:15

Updated At-31 Dec, 2025 | 00:49

Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may unintentionally expose sensitive information in server and audit logs when users submit malformed payloads during secret creation or update operations via the Vault REST API. This vulnerability, identified as CVE-2025-4166, is fixed in Vault Community 1.19.3 and Vault Enterprise 1.19.3, 1.18.9, 1.17.16, 1.16.20.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	4.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Primary	3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Type: Secondary

Version: 3.1

Base score: 4.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N

Type: Primary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CPE Matches

HashiCorp, Inc.

>>vault>>Versions from 0.3.0(inclusive) to 1.16.20(exclusive)

cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

HashiCorp, Inc.

>>vault>>Versions from 0.3.0(inclusive) to 1.19.3(exclusive)

cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*

HashiCorp, Inc.

>>vault>>Versions from 1.17.0(inclusive) to 1.17.16(exclusive)

cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

HashiCorp, Inc.

>>vault>>Versions from 1.18.0(inclusive) to 1.18.9(exclusive)

cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

HashiCorp, Inc.

>>vault>>Versions from 1.19.0(inclusive) to 1.19.3(exclusive)

cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

openbao>>openbao>>Versions before 2.2.2(exclusive)

cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-209	Secondary	security@hashicorp.com

CWE ID: CWE-209

Type: Secondary

Source: security@hashicorp.com

References

Hyperlink	Source	Resource
https://discuss.hashicorp.com/t/hcsec-2025-09-vault-may-expose-sensitive-information-in-error-logs-when-processing-malformed-data-with-the-kv-v2-plugin	security@hashicorp.com	Vendor Advisory

Hyperlink: https://discuss.hashicorp.com/t/hcsec-2025-09-vault-may-expose-sensitive-information-in-error-logs-when-processing-malformed-data-with-the-kv-v2-plugin

Source: security@hashicorp.com

Resource:

Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History