An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash.
https://www.insyde.com/security-pledge/SA-2021004
https://www.insyde.com/security-pledge
Source: Mitre, NVD
Published: 2023-09-08
Updated: 2026-06-17
Base Score: 6.2
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Severity: High
EPSS: 0.00071