CVE-2021-42683

Public Exploit

Description

A Buffer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22001B allows local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Third-Party Advisory sentinelone.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ third party advisory exploit technical description

Frequently Asked Questions

What is the severity of CVE-2021-42683?
CVE-2021-42683 has been scored as a high severity vulnerability.
How to fix CVE-2021-42683?
To fix CVE-2021-42683, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42683 being actively exploited in the wild?
It is possible that CVE-2021-42683 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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