What’s Vulnerable › Vulnerabilities

CVE-2021-27473: Rockwell Automation Connected Components Workbench Improper Input Validation

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-23 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Rockwell Automation Connected Components Workbench: through 12.00.00

References

• https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01
• https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-133-01

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