HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vulnerable to authentication bypass. Fixed in 1.2.5, 1.3.8, 1.4.4, and 1.5.1.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16251
Reference (s):
- http://packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass.html
- https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151
- https://www.hashicorp.com/blog/category/vault/