TI-2021-15916 Aliases CVE-2021-38304 GHSA-hcq2-9985-7gxv

Improper input validation in the National Instruments NI-PAL driver in versions 20.0.0…

LOW 34CWE-20Published 2021-09-17 · Updated 2024-08-04

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

Improper input validation in the National Instruments NI-PAL driver in versions 20.0.0 and prior may allow a privileged user to potentially enable escalation of privilege via local access.

Why it matters now

EPSS 0.0044 38th 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:ni:ni-pal::::::::	up to 20.0.0	Vulnerable	NI

cpe:2.3:a:ni:ni-pal:*:*:*:*:*:*:*:* Versions up to 20.0.0 Vulnerable ·NI

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-38304
2026-10-03 Alias added: GHSA-hcq2-9985-7gxv

References

Patch 1

https://www.ni.com/en-us/support/documentation/supplemental/21/improper-input-validation-in-ni-pal.html

TI-2026-07082 Local privilege escalation in NI-PAL CVSS 4.0HIGH 8.4
TI-2026-07081 NULL pointer dereference in NI-PAL CVSS 4.0MEDIUM 6.9

Sources

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