PoC Index

CVE-2021-42687

HIGH 8.8EPSS 0.5%

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.

CVSS v3.1
8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v2.0
7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS
0.46% chance of exploitation in the next 30 days, 38th percentile
Published
2021-12-07
Updated
2024-08-04

Proof-of-concept exploits (1)

References

Related