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High severity · published Nov 12, 2021
CVE-2021-42563
There is an Unquoted Service Path in NI Service Locator (nisvcloc.exe) in versions prior to 18.0 on Windows
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
NI Service Locator · NI
before 18.0.0.49152 · source: NVD
Affected product
NS
NI Service Locator
NI
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42563
Patch
https://www.ni.com/en-us/support/documentation/supplemental/21/unquoted-service-path-in-ni-service-locator.html