What is CVE-2022-47549?

CVE-2022-47549 is a medium-severity vulnerability in Trustedfirmware Op-tee, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.4/10. Published 2022-12-19.

How severe is CVE-2022-47549?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Trustedfirmware Op-tee

CVE-2022-47549

An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted a…

EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Trustedfirmware Op-tee
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Technical Description, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2022-47549?: CVE-2022-47549 is a medium-severity vulnerability in Trustedfirmware Op-tee, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.4/10. Published 2022-12-19.
How severe is CVE-2022-47549?: Medium severity. CVSS v3 base score is 6.4 out of 10.