CVE-2023-20577
HIGH
MEDIUM
Priority: 0.01
BB Relevance:
40/100
Published: 2026-09-02
Modified: 2026-11-03
First seen: 2026-11-03
Status: active
Attack Surface
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
High
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.