CVE detail
CVE-2021-22681: Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Rockwell · Multiple Products
- Date added (KEV)
- Mar 05, 2026
- CISA due date
- Mar 26, 2026
- Ransomware campaign use
- Unknown
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scorifya interpretation
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Plain English
Technical detail
From CISA
Multiple Rockwell products contain an insufficient protected credentials vulnerability. Studio 5000 Logix Designer software may allow a key to be discovered. This key is used to verify Logix controllers are communicating with Rockwell Automation design software. If successfully exploited, this vulnerability could allow an unauthorized application to connect with Logix controllers. To leverage this vulnerability, an unauthorized user would require network access to the controller.
https://support.rockwellautomation.com/app/answers/answer_view/a_id/1130301/~/cve-2021-22681%3A-authentication-bypass-vulnerability-found-in-logix-controllers- ; https://www.cisa.gov/news-events/ics-advisories/icsa-21-056-03 ; https://nvd.nist.gov/vuln/detail/CVE-2021-22681
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Rockwell directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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- https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03Third Party AdvisoryUS Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-056-03Third Party AdvisoryUS Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22681US Government Resource