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CVE-2021-44852

HIGH

7.8

CVSS Score

Published: January 1, 2022 at 05:11 AM UTC

Updated: June 17, 2026 at 04:12 AM UTC

1 product affected across 1 vendorRacing Gt Evo

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Severity

HIGH7.8

Exploit prediction

EPSS 0.8%

Description

An issue was discovered in BS_RCIO64.sys in Biostar RACING GT Evo 2.1.1905.1700. A low-integrity process can open the driver's device object and issue IOCTLs to read or write to arbitrary physical memory locations (or call an arbitrary address), leading to execution of arbitrary code. This is associated with 0x226040, 0x226044, and 0x226000.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Racing Gt Evo · Biostar

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://nephosec.com/biostar-exploit/

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-Other

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