CVE-2021-27431CWE-190

ARM CMSIS RTOS2 Integer Overflow or Wraparound

High · published May 3, 2022

CVSS v3.1
7.3
EPSS
1%
Percentile
66.5
In the wild
Unconfirmed
What it is

ARM CMSIS RTOS2 versions prior to 2.1.3 are vulnerable to integer wrap-around inosRtxMemoryAlloc (local malloc equivalent) function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or injected code execution.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01148 · 66.5th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2022-05-03T20:23Z
EPSS history
Timeline
  • 03 MAY 20:23Z
    ARM CMSIS RTOS2 Integer Overflow or Wraparound
    cvelistv5