Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-12044

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/10/2025
Last modified:
23/12/2025

Description

Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393]  which allowed for processing JSON payloads before applying rate limits. This vulnerability, CVE-2025-12044, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.16.27, 1.19.11, 1.20.5, and 1.21.0.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* 1.16.25 (including) 1.16.27 (excluding)
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* 1.18.14 (including) 1.18.15 (including)
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* 1.19.9 (including) 1.19.11 (including)
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* 1.20.3 (including) 1.20.5 (excluding)
cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* 1.20.3 (including) 1.21.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools