CVE-2021-27562

moderate-risk
Published 2021-05-25

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.

Do I need to act?

!
47.9% chance of exploitation in next 30 days
EPSS score — higher than 52% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Arm

References (5)

Vendor Advisory https://developer.arm.com/support/arm-security-updates
Permissions Required https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/s...
Vendor Advisory https://developer.arm.com/support/arm-security-updates
Permissions Required https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/s...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
48
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 25/34 · High
Exposure 5/34 · Minimal