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HIGH

CVE-2021-44852

CVSS v3

7.8

HIGH

EPSS Score

1.9 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
2022-01-01

Frequently asked questions

What is CVE-2021-44852?

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.

Is CVE-2021-44852 actively exploited?

Active exploitation of CVE-2021-44852 has not been confirmed. The EPSS score is 1.9%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44852?

CVE-2021-44852 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-44852 affecting your environment?

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