Related Vulnerabilities: CVE-2021-43998  

In HashiCorp Vault before version 1.9.0, templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement.

Severity Medium

Remote Yes

Type Access restriction bypass

Description

In HashiCorp Vault before version 1.9.0, templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement.

AVG-2294 vault 1.7.3-1 1.9.0-1 Medium Testing

https://discuss.hashicorp.com/t/hcsec-2021-30-vaults-templated-acl-policies-matched-first-created-alias-per-entity-and-auth-backend/32132