Vulnerabilities > CVE-2021-40327 - Missing Authorization vulnerability in Trustedfirmware Trusted Firmware-M 1.4.0
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a secure key (held by the Crypto service) based solely on knowledge of its key ID. For example, there is no authorization check associated with the relationship between a caller and a key owner.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |