CVE-2021-40327

Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control

published January 13, 2022

CVSS
—
EPSS
1%
Percentile
67.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01194 · 67.8th percentile
Published
2022-01-13T15:31Z
EPSS history
Timeline
  • 13 JAN 15:31Z
    Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control
    cvelistv5