Vulnerability · Published Mar 23, 2022 · Assigned by icscert

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

Medium 6.1

In plain English

A medium-severity path traversal in Connected Components Workbench from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.8%top 43.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Rockwell Automation	Connected Components Workbench	unspecified – through v12.00.00

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References

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