TI-2018-04803 Aliases CVE-2018-6523 GHSA-qc5x-p84m-h7xp

In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to…

LOW 34CWE-20Published 2018-02-02 · Updated 2024-08-05

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 3.0 · NVD. Fix status from CNA.

Summary

In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x22045c.

Why it matters now

EPSS 0.0035 28th percentileScored 2026-11-07

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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:inca:nprotect_avs::::::::	4.0 to before 4.0.0.39	Vulnerable	Inca

cpe:2.3:a:inca:nprotect_avs:*:*:*:*:*:*:*:* Versions 4.0 to before 4.0.0.39 Vulnerable ·Inca

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-6523
2026-10-03 Alias added: GHSA-qc5x-p84m-h7xp

References

Advisory 2

TI-2018-04805 In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to… CVSS 3.0HIGH 7.8
TI-2018-04804 In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKFsAv.SYS) allows local users to… CVSS 3.0HIGH 7.8
TI-2018-04802 In nProtect AVS V4.0 before 4.0.0.39, the driver file (TKRgFtXp.SYS) allows local users… CVSS 3.0HIGH 7.8

Sources

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