7.7highHigh
CVE-2023-20576
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.
What the metrics mean
- It is requires local access to the machine.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.7 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H- Weakness
- CWE-345
- Assigned by
- psirt@amd.com
Dates
- Published
- 2026-09-02
- Last modified
- 2026-09-04
- Sources
- NVD