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CVE-2022-47549

Published: Dec 19, 2022Updated: Jun 5, 2026 Sources: CVE List NVDCWE-347
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.4%
Top 68.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 applications via electromagnetic fault injections.

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-347

Affected Products

op-teetrustedfirmware
On-prem
Security Products / pki-crypto
n/an/a
trustedfirmwarecommercialSecurity Productsaka mbed tls, op-tee, trusted firmware-a

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g
github.com
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf
people.linaro.org

Timeline

Published
Dec 19, 2022
Last Updated
Jun 5, 2026

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