Deserialization in Rockwell Automation Connected Components Workbench
CVE-2021-27475
Rockwell Automation Connected Components Workbench v12.00.00 and prior does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in Connected Components Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.030 (86.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-21-133-01 (US Government Resource, Third Party Advisory)
- rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1131435 (Vendor Advisory, Permissions Required)
Frequently asked questions
- What is CVE-2021-27475?
- CVE-2021-27475 is a high-severity vulnerability in Rockwell Automation Connected Components Workbench, classified under Deserialization of Untrusted Data. CVSS score: 8.6/10. Published 2022-03-23.
- How severe is CVE-2021-27475?
- High severity. CVSS v3 base score is 8.6 out of 10.