High severity · published Feb 2, 2024
CVE-2021-22281
Zip Slip Vulnerability in B&R Automation Studio Project Import
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
: Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Automation Studio · B&R Industrial Automation
4.0 through 4.12 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22281
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22281
Vendor Advisory
https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf
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