Vulnerability · Published Mar 31, 2021 · Assigned by mitre
CVE-2021-26943
High 8.2
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)8.2High
Exploit odds (30 days)0.9%top 39.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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).
Affected products (as reported)
References
- https://www.asus.com/support/FAQ/1045541/ x_refsource_CONFIRM
- https://www.youtube.com/watch?v=1H3AfaVyeuk x_refsource_MISC