CVE-2023-6337 HIGH

CVE-2023-6337: Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests

Vendor Hashicorp
Product Vault
Weakness CWE-770 · Uncontrolled resource consumption
Published December 8, 2023
Last update February 13, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

HashiCorp Vault and Vault Enterprise 1.12.0 and newer are vulnerable to a denial of service through memory exhaustion of the host when handling large unauthenticated and authenticated HTTP requests from a client. Vault will attempt to map the request to memory, resulting in the exhaustion of available memory on the host, which may cause Vault to crash. Fixed in Vault 1.15.4, 1.14.8, 1.13.12.

Key dates

02Disclosure timeline

December 8, 2023 CVE published
February 13, 2025 Record updated