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CVE-2021-27562

Known Exploited (CISA KEV)MEDIUM

5.5

CVSS Severity Score

EPSS Score68.1870%

EPSS Percentile96.24th

Published2021年5月25日

Last Modified2026年6月5日

Vulnerability 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.

Affected Platforms (CPE)

💻

Trustedfirmware

Trusted Firmware M

<= 1.2.0

References & Advisories

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27562

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