NVD

CVE-2021-32981 Detail

Description

AVEVA System Platform versions 2017 through 2020 R2 P01 uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: ICS-CERT

Base Score: 7.2 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.5 MEDIUM

Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf	Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05	Third Party Advisory US Government Resource

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	NIST ICS-CERT

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

2 change records found show changes

Initial Analysis by NIST 4/13/2022 8:48:51 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:aveva:system_platform::::::::* versions from (including) 2017 up to (excluding) 2020 cpe:2.3:a:aveva:system_platform:2020:-::::::* cpe:2.3:a:aveva:system_platform:2020:r2::::::* cpe:2.3:a:aveva:system_platform:2020:r2_p01::::::*
Added	CVSS V2		NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-22
Changed	Reference Type	https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf No Types Assigned	https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf Vendor Advisory
Changed	Reference Type	https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05 No Types Assigned	https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05 Third Party Advisory, US Government Resource

Quick Info

CVE Dictionary Entry:
CVE-2021-32981
NVD Published Date:
04/04/2022
NVD Last Modified:
04/13/2022
Source:
ICS-CERT

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Information Technology Laboratory

National Vulnerability Database