CVE-2023-20558

Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of…

High · published March 23, 2023

CVSS v3.1
8.8
EPSS
1%
Percentile
51.3
In the wild
Unconfirmed
What it is

Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00667 · 51.3th percentile
Published
2023-03-23T18:50Z
EPSS history
Timeline
  • 23 MAR 18:50Z
    Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of…
    cvelistv5