3.4
CVSSv3

CVE-2021-35465

Published: 23/08/2021 Updated: 12/07/2022
CVSS v2 Base Score: 3.6 | Impact Score: 4.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 3.4 | Impact Score: 2.5 | Exploitability Score: 0.8
VMScore: 320
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N

Vulnerability Summary

Certain Arm products prior to 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This affects Arm Cortex-M33 r0p0 through r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 through r1p0, and Arm China STAR-MC1 (in the STAR SE configuration).

Vulnerability Trend

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arm cortex-m33_firmware

arm cortex-m35p_firmware r0

arm cortex-m55_firmware

arm china_star-mc1_firmware -