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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
VendorProductVersion
trustedfirmwaretrusted_firmware-m
1.4.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
arm-trusted-firmware
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
focal
needs-triage
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.html