CVE-2021-46772

low-risk
Published 2024-08-13

Insufficient input validation in the ABL may allow a privileged attacker with access to the BIOS menu or UEFI shell to tamper with the structure headers in SPI ROM causing an out of bounds memory read and write, potentially resulting in memory corruption or denial of service.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.9/10 Low
LOCAL / HIGH complexity
15
/ 100
low-risk
Severity 10/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal