High severity · published Apr 4, 2022
CVE-2021-32981
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…
7.2
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
System Platform · Aveva
2017 before 2020; 2020; 2020; 2020 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32981
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32981
Vendor Advisory
https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05
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