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MitreCVE-2021-42563

HistoryNov 12, 2021 - 9:15 p.m.

CVE-2021-42563

2021-11-1221:15:07

CWE-428

mitre

web.nvd.nist.gov

cve-2021-42563

unquoted service path

ni service locator

windows

privilege escalation

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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 configurations

Nvd

Node

nini_service_locatorRange<18.0.0.49152

AND

microsoftwindowsMatch-

VendorProductVersionCPE
nini_service_locator*cpe:2.3:a:ni:ni_service_locator:*:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ni	ni_service_locator	*	cpe:2.3:a:ni:ni_service_locator::::::::
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*

References

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

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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