SB2021121609 - Improper access control in HashiCorp Consul Enterprise
Published: December 16, 2021 Updated: December 7, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-41805)
The vulnerability allows a remote user to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace. A remote user can send a specially crafted request and gain unauthorized access to the affected application.
Remediation
Install update from vendor's website.