CVE-2021-27473

low-risk

Published 2022-03-23

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.

Do I need to act?

0.00% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.1/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Connected Components Workbench

Affected Vendors

Rockwellautomation

References (4)

Permissions Required https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435

Third Party Advisory https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01

Permissions Required https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435

Third Party Advisory https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01

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low-risk

Severity 20/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal