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CVE-2021-42563

HIGH
7.8
CVSS Score
Published: November 12, 2021 at 08:48 PM UTC
Updated: June 17, 2026 at 04:09 AM UTC
1 product affected across 1 vendorNi Service Locator· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ni Service Locator· Ni
95%
v < 18.0.0.49152
Affected range stops below 18.0.0.49152, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.ni.com/en-us/support/documentation/supplemental/21/unquoted-service-path-in-ni-service-locator.html

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-428

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