CVE-2021-26943

HighCVSS 8.2/10Last modified Jun 17, 2026

Description

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).

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.asus.com/support/FAQ/1045541/Exploit, Vendor Advisory
https://www.youtube.com/watch?v=1H3AfaVyeukExploit, Third Party Advisory
https://www.asus.com/support/FAQ/1045541/Exploit, Vendor Advisory
https://www.youtube.com/watch?v=1H3AfaVyeukExploit, Third Party Advisory

Timeline

Published: Mar 31, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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