What’s Vulnerable › Vulnerabilities

CVE-2021-42563

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-12 · updated 2026-06-17
• Weakness: CWE-428

Description

There is an Unquoted Service Path in NI Service Locator (nisvcloc.exe) in versions prior to 18.0 on Windows. This may allow an authorized local user to insert arbitrary code into the unquoted service path and escalate privileges.

Affected products

• Ni Service Locator: before 18.0.0.49152 — fixed in 18.0.0.49152

How to fix

Upgrade to a fixed version: Ni Service Locator 18.0.0.49152. Check the vendor advisory for mitigations.

References

• https://www.ni.com/en-us/support/documentation/supplemental/21/unquoted-service-path-in-ni-service-locator.html
• https://www.ni.com/en-us/support/documentation/supplemental/21/unquoted-service-path-in-ni-service-locator.html

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