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    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 applications via electromagnetic fault injections.

    Published:Dec 19, 2022
    Last Modified:Jun 5, 2026
    EPS:Dec 19, 2022
    EPSS Score:0.00069
    CVSS Score:6.4

    Affected Products

    Vendor
    Trustedfirmware
    Product
    Op-tee

    Exploits

    https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdfhttps://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

    CVE-2026-45702 (CVSS 4.4) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2026-45614 (CVSS 4.7) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2026-40290 (CVSS 7.8) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2026-33662 (CVSS 7.5) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2026-33317 (CVSS 8.7) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2023-41325 (CVSS 7.4) — OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on …
    CVE-2022-46152 (CVSS 8.2) — OP-TEE Trusted OS is the secure side implementation of OP-TEE project, a Trusted Execution Environment. Versio…
    CVE-2021-44149 (CVSS 7.8) — An issue was discovered in Trusted Firmware OP-TEE Trusted OS through 3.15.0. The OPTEE-OS CSU driver for NXP …
    CVE-2021-36133 (CVSS 7.1) — The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resul…
    CVE-2019-25052 (CVSS 9.1) — In Linaro OP-TEE before 3.7.0, by using inconsistent or malformed data, it is possible to call update and fina…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High