CVE-2021-42993 is an Integer Overflow vulnerability in FlexiHub for Windows versions above 2.0.4340 and below 5.3.14268. A local attacker can exploit this flaw via a specially crafted I/O Request Packet to the IOCTL Handler 0x22001B, leading to arbitrary code execution in kernel mode or a denial of service. With a CVSS score of 8.8 (High), this vulnerability poses a significant risk due to its potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has received some media attention, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
> 2.0.4340, < 5.3.14268CPE matchmatch criteria | cpe:2.3:a:flexihub:flexihub:*:*:*:*:*:*:*:* |
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.