CVE-2023-20576CWE-345

CVE-2023-20576

High · published September 3, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
2.0
In the wild
Unconfirmed
What it is

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00125 · 2.0th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-09-03T00:17Z
References (1)
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html · [email protected]
EPSS history
Timeline
  • 04 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 02 SEP 19:42Z
    Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege…
    cvelistv5