Permissions, Privileges, and Access Controls in Vault and Vault Enterprise - CVE-2021-43998
Published: August 4, 2022
Vulnerability identifier: #VU66115
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-43998
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: HashiCorp
Affected software:
Vault
Vault Enterprise
Vault
Vault Enterprise
Detailed vulnerability description
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to templated ACL policies always match the first-created entity alias
if multiple entity aliases exist for a specified entity and mount
combination. A remote user can trigger incorrect policy enforcement.
How to mitigate CVE-2021-43998
Install updates from vendor's website.