Vulnerability Monitor

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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

2021-08-23T13:15:07.667

Last Modified

2024-11-21T06:12:20.060

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.4 (LOW)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

4.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System arm cortex-m33_firmware ≤ r1p0 Yes
Hardware arm cortex-m33 - No
Operating System arm cortex-m35p_firmware r0 Yes
Hardware arm cortex-m35p - No
Operating System arm cortex-m55_firmware ≤ r1p0 Yes
Hardware arm cortex-m55 - No
Operating System arm china_star-mc1_firmware - Yes
Hardware arm china_star-mc1 - No
References