Vulnerability Intelligence Report
CVE-2021-40327
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.
No Active Exploit Signals
CVSS Base Score
5.9
MEDIUM
EPSS Probability:1.19%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| trustedfirmware | trusted_firmware-m | 1.4.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.194%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-08-30T00:00:00 |
| Published | 2022-01-13T15:31:35 |
| Last Updated | 2024-08-04T02:27:31 |
Community Chatter & Buzz