CVE-2021-27427CWE-190

RIOT OS Integer Overflow or Wraparound

High · published May 3, 2022

CVSS v3.1
7.3
EPSS
2%
Percentile
76.7
In the wild
Unconfirmed
What it is

RIOT OS version 2020.01.1 is vulnerable to integer wrap-around in its implementation of calloc function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/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
0.01675 · 76.7th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2022-05-03T20:16Z
EPSS history
Timeline
  • 03 MAY 20:16Z
    RIOT OS Integer Overflow or Wraparound
    cvelistv5