CVE-2021-46755

Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to…

High · published May 9, 2023

CVSS v3.1
7.5
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

Failure to unmap certain SysHub mappings in

error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker

with a malicious bootloader to exhaust the SysHub resources resulting in a

potential denial of service.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00616 · 48.8th percentile
Published
2023-05-09T19:00Z
EPSS history
Timeline
  • 09 MAY 19:00Z
    Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to…
    cvelistv5