CVE Vulnerability

CVE-2021-42687

A Buffer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22005B 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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.sentinelone.com/labs/usb-over-ethernet-multiple-privilege-escalation-vulnerabilities-in-aws-and-other-major-cloud-services/ Exploit Technical Description
Configurations

Configuration 1

cpe:2.3:a:accops:hyworks_windows_client:*:*:*:*:*:*:*:*
Information

Published : 2021-12-07 09:15

Updated : 2021-12-09 02:14

NVD link : CVE-2021-42687

Mitre link : CVE-2021-42687

Products Affected
No products.
CWE
CWE-120