Integer overflow in Accops Hyworks Windows Client
CVE-2021-42688
An Integer Overflow vulnerability exists in Accops HyWorks Windows Client prior to v 3.2.8.200. The IOCTL Handler 0x22005B in the Accops HyWorks Windows Client prior to v 3.2.8.200 allow 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.
Vulnerability class: Integer Overflow
EPSS: 0.005 (38.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Accops Hyworks_windows_client
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42688?
- CVE-2021-42688 is a high-severity vulnerability in Accops Hyworks Windows Client, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-12-07.
- How severe is CVE-2021-42688?
- High severity. CVSS v3 base score is 8.8 out of 10.