CVE-2021-35465
Certain Arm products before 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).
Published:Aug 23, 2021
Last Modified:Nov 21, 2024
EPS:Aug 23, 2021
EPSS Score:0.00052
CVSS Score:3.4
Affected Products
Vendor
Product
Action
Vendor
Arm
Product
China Star-mc1
Arm
China Star-mc1
Vendor
Arm
Product
China Star-mc1 Firmware
Arm
China Star-mc1 Firmware
Vendor
Arm
Product
Cortex-m33
Arm
Cortex-m33
Vendor
Arm
Product
Cortex-m33 Firmware
Arm
Cortex-m33 Firmware
Vendor
Arm
Product
Cortex-m35p
Arm
Cortex-m35p
Vendor
Arm
Product
Cortex-m35p Firmware
Arm
Cortex-m35p Firmware
Vendor
Arm
Product
Cortex-m55
Arm
Cortex-m55
Vendor
Arm
Product
Cortex-m55 Firmware
Arm
Cortex-m55 Firmware
Exploits
No exploit reference
Common Weakness Enumeration
No CWE recorded yet
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
