CVE-2021-22681 - Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
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
- Severity
- critical
- Product
- Rockwell Multiple Products
- Published
- 2026-03-05
- EPSS
- 0.636
- CISA KEV
- Known exploited
- Ransomware
- Known campaign use
References and validation
- https://github.com/search?q=CVE-2021-22681&type=repositories
- https://nvd.nist.gov/vuln/detail/CVE-2021-22681
Entries are refreshed from CISA KEV and FIRST EPSS. Validate applicability before testing.