CVE-2021-42563 Privilege escalation in n/a

High 7.8 Published Updated

An authorized local user can escalate privileges by inserting arbitrary code into the unquoted service path of NI Service Locator on Windows.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42563?

CVE-2021-42563 is a high-severity vulnerability in n/a, published on 12 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-428

Which versions are affected by CVE-2021-42563?

It affects 1 product.

Products include Ni Ni Service Locator.

How do I fix CVE-2021-42563?

No fix has been published for CVE-2021-42563 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-42563 being exploited?

There is no known exploitation of CVE-2021-42563 in the wild and no public exploit code.

Sources

Also known as GHSA-5qqh-x2j3-m856.

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