CVE-2021-42688 is an Integer Overflow vulnerability in Accops HyWorks Windows Client versions prior to 3.2.8.200. A local attacker can exploit this flaw via a specially crafted I/O Request Packet to execute arbitrary code in kernel mode or trigger a denial of service. With a CVSS score of 8.8 (HIGH), it poses a significant risk, allowing for high impact to confidentiality, integrity, and availability with low attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered some community discussion and media coverage, indicating awareness of the vulnerability.
| 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.