CVE-2021-27562

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Summary

CVECVE-2021-27562
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-25 19:15:00 UTC
Updated2021-06-08 18:25:00 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.478710000 probability, percentile 0.976930000 (date 2026-04-01)

CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Unknown

Problem Types: CWE-787

CISA Known Exploited Vulnerability

VendorArm
ProductTrusted Firmware
NameArm Trusted Firmware Out-of-Bounds Write Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-27562

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Arm Trusted Firmware M - All All All
Operating System Arm Trusted Firmware M All All All All

References

ReferenceSourceLinkTags
Arm Security Center MISC developer.arm.com
svc_caller_sp_fetching_vulnerability.rst « security_advisories « security « docs - trusted-firmware-m.git - Trusted Firmware for M profile Arm CPUs CONFIRM git.trustedfirmware.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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