What is CVE-2023-40271?

CVE-2023-40271 is a high-severity vulnerability in Trustedfirmware Trusted_firmware-m, classified under Incorrect Comparison. CVSS score: 7.5/10. Published 2023-09-08.

How severe is CVE-2023-40271?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Trustedfirmware Trusted_firmware-m

CVE-2023-40271

In Trusted Firmware-M through TF-Mv1.8.0, for platforms that integrate the CryptoCell accelerator, when the CryptoCell PSA Driver software Interface is selected, and the Authenticated Encryption with Associated Data Chacha20-Poly1305 algor…

EPSS: 0.002 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Trustedfirmware Trusted_firmware-m — versions 1.6.0, 1.6.1, 1.7.0
N/a — versions n/a

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

References

cve@mitre.org (Release Notes)
cve@mitre.org (Technical Description, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-40271?: CVE-2023-40271 is a high-severity vulnerability in Trustedfirmware Trusted_firmware-m, classified under Incorrect Comparison. CVSS score: 7.5/10. Published 2023-09-08.
How severe is CVE-2023-40271?: High severity. CVSS v3 base score is 7.5 out of 10.