CVE-2021-46795

A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that…

Medium · published January 10, 2023

CVSS v3.1
4.7
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00141 · 3.1th percentile
Published
2023-01-10T20:53Z
EPSS history
Timeline
  • 10 JAN 20:53Z
    A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that…
    cvelistv5