CVE-2022-47549

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Summary

CVECVE-2022-47549
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-19 09:15:09 UTC
Updated2026-06-05 20:13:25 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000690000 probability, percentile 0.214620000 (date 2026-06-11)

Problem Types: CWE-347 | n/a | CWE-347 CWE-347 Improper Verification of Cryptographic Signature

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.4MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED6.4MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.4MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Trustedfirmware Op-tee All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_Tr... af854a3a-2127-422b-91ae-364da2661108 people.linaro.org Exploit, Technical Description, Vendor Advisory
Bypass signature verification on Raspberry Pi3 using a glitch attack · Advisory · OP-TEE/optee_os · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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