VULNERABILITY INTELLIGENCE

CVE-2021-40327

CVSS score5.9 MEDIUM
EPSS probability1.19%
CISA KEVNot currently listed
Published2022-01-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-862

Primary references