CVE-2021-26943 describes a high-severity vulnerability in the BIOS (version 303 and earlier) of ASUS UX360CA laptops, allowing an attacker with ring 0 privileges to overwrite physical memory, including System Management RAM (SMRAM). This flaw enables arbitrary code execution within the System Management Mode (SMM), posing a significant security risk. The CVSS score of 8.2 (High) reflects the local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While the vulnerability is severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 304CPE matchmatch criteria | cpe:2.3:o:asus:ux360ca_bios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.