Medium severity5.5CISA KEVNVD Advisory· Published May 25, 2021· Updated Jun 17, 2026
CVE-2021-27562
CVE-2021-27562
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:trustedfirmware:trusted_firmware-m:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:trustedfirmware:trusted_firmware-m:*:*:*:*:*:*:*:*range: <=1.2.0
- (no CPE)range: <=1.2
- Arm/Arm Trusted Firmware Mdescription
Patches
Vulnerability mechanics
References
3- developer.arm.com/support/arm-security-updatesnvdVendor Advisory
- git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rstnvdPermissions RequiredThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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