Permissions, Privileges, and Access Controls in GPU Tweak II - CVE-2021-28685
Published: April 12, 2021
Vulnerability identifier: #VU52041
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-28685
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in AsIO2_64.sys and AsIO2_32.sys. A local user can interact directly with physical memory via the "DeviceIoControl" and gain elevated privileges on the target system.
Affected software
GPU Tweak II
How to mitigate CVE-2021-28685
Install updates from vendor's website.
GPU Tweak II - update to 2.3.0.3