CVE Feed

    Dashboard / CVE / CVE-2021-27562

    CVE-2021-27562

    In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.

    Published:May 25, 2021
    Last Modified:Jun 5, 2026
    EPS:May 25, 2021
    EPSS Score:0.51065
    CVSS Score:5.5

    CISA Notification

    Description

    In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Nov 17, 2021
    1759 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Trustedfirmware
    Product
    Trusted Firmware-m

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-54467 (CVSS 7) — On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization on PSOC64 and…
    CVE-2025-53022 (CVSS 8.6) — TrustedFirmware-M (aka Trusted Firmware for M profile Arm CPUs) before 2.1.3 and 2.2.x before 2.2.1 lacks leng…
    CVE-2024-45746 (CVSS 9.8) — An issue was discovered in Trusted Firmware-M through 2.1.0. User provided (and controlled) mailbox messages c…
    CVE-2023-51712 (CVSS 4.7) — An issue was discovered in Trusted Firmware-M through 2.0.0. The lack of argument verification in the logging …
    CVE-2023-40271 (CVSS 7.5) — In Trusted Firmware-M through TF-Mv1.8.0, for platforms that integrate the CryptoCell accelerator, when the Cr…
    CVE-2021-43619 (CVSS 7.8) — Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IP…
    CVE-2021-40327 (CVSS 5.9) — Trusted Firmware-M (TF-M) 1.4.0, when Profile Small is used, has incorrect access control. NSPE can access a s…
    CVE-2021-32032 (CVSS 7.5) — In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation…

    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