What is CVE-2021-22281?

CVE-2021-22281 is a medium-severity vulnerability in Br-Automation Automation Studio, classified under Relative Path Traversal. CVSS score: 6.3/10. Published 2024-02-02.

How severe is CVE-2021-22281?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2021-22281 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Br-Automation Automation Studio

CVE-2021-22281

: 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.

Published 2024-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Br-Automation Automation Studio
B&r Industrial Automation Studio — versions 4.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Stu… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22281?: CVE-2021-22281 is a medium-severity vulnerability in Br-Automation Automation Studio, classified under Relative Path Traversal. CVSS score: 6.3/10. Published 2024-02-02.
How severe is CVE-2021-22281?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2021-22281 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.