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Vulnerability record · CVE-2021-27473 · published 23 March 2022

CVE-2021-27473: Rockwellautomation connected components workbench path traversal vulnerability

Rockwellautomation · Connected Components Workbench

Rockwell Automation Connected Components Workbench v12.00.00 and prior does not sanitize paths specified within the .ccwarc archive file during extraction. This type of vulnerability is also commonly referred to as a Zip Slip. A local, authenticated attacker can create a malicious .ccwarc archive file that, when opened by Connected Components Workbench, will allow the attacker to gain the privileges of the software. If the software is running at SYSTEM level, the attacker will gain admin level privileges. User interaction is required for this exploit to be successful.

8.2 CVSS 3.1 High EPSS 0.78% · top 45.8% CWE-22 · Path traversal
8.2CVSS 3.1 base score, v2 6.9
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Rockwell Automation Connected Components Workbench v12.00.00 and prior does not sanitize paths specified within the .ccwarc archive file during extraction. This type of vulnerability is also commonly referred to as a Zip Slip. A local, authenticated attacker can create a malicious .ccwarc archive file that, when opened by Connected Components Workbench, will allow the attacker to gain the privileges of the software. If the software is running at SYSTEM level, the attacker will gain admin level privileges. User interaction is required for this exploit to be successful.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435 Permissions RequiredVendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01 Third Party AdvisoryUS Government Resource
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435 Permissions RequiredVendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-27473), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.