CVE-2021-42683 describes a buffer overflow vulnerability in Accops HyWorks Windows Client versions prior to 3.2.8.200. This flaw allows a local attacker to execute arbitrary code in kernel mode or trigger a denial of service through a specially crafted I/O Request Packet. With a CVSS score of 8.8 (High), successful exploitation could lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community and media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.2.8.200CPE matchmatch criteria | cpe:2.3:a:accops:hyworks_windows_client:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/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.
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.