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TI-2021-20294 Aliases CVE-2021-44852GHSA-rgp2-m7fc-79r8

An issue was discovered in BS_RCIO64.sys in Biostar RACING GT Evo 2.1.1905.1700.

Priority LOW 35Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00798 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:biostar:racing_gt_evo:2.1.1905.1700:*:*:*:*:*:*:*2.1.1905.1700VulnerableBioStar
  • cpe:2.3:a:biostar:racing_gt_evo:2.1.1905.1700:*:*:*:*:*:*:* Versions 2.1.1905.1700 Vulnerable ·BioStar

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44852
  2. 2026-10-03 Alias added: GHSA-rgp2-m7fc-79r8

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences