CVE-2021-26943

The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
asusux360ca_bios
𝑥
< 304
𝑥
= Vulnerable software versions
References
https://www.asus.com/support/FAQ/1045541/
https://www.youtube.com/watch?v=1H3AfaVyeuk
https://www.asus.com/support/FAQ/1045541/
https://www.youtube.com/watch?v=1H3AfaVyeuk