CVE-2021-27562
MediumActively exploited (CISA KEV)
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Arm Trusted Firmware
PublishedMay 25, 2021
First seenMay 25, 2021
Added to KEVNov 3, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Nov 17, 2021Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trustedfirmware trusted_firmware-m | v ≤ 1.2.0 | — |
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