CVE-2023-0620: Vault Vulnerable to SQL Injection When Configuring the Microsoft SQL Database Storage Backend

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-30 · updated 2026-06-17
Weakness: CWE-89

Description

HashiCorp Vault and Vault Enterprise versions 0.8.0 through 1.13.1 are vulnerable to an SQL injection attack when configuring the Microsoft SQL (MSSQL) Database Storage Backend. When configuring the MSSQL plugin through the local, certain parameters are not sanitized when passed to the user-provided MSSQL database. An attacker may modify these parameters to execute a malicious SQL command. This issue is fixed in versions 1.13.1, 1.12.5, and 1.11.9.

Affected products

HashiCorp Vault: before 1.11.9; from 1.12.0 before 1.12.5; from 1.13.0 before 1.13.1 — fixed in 1.11.9, 1.12.5, 1.13.1

How to fix

Upgrade to a fixed version: HashiCorp Vault 1.11.9, 1.12.5, 1.13.1. Check the vendor advisory for mitigations.

References

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