Rockwell Automation Logix Controllers (Update A)
Studio 5000 Logix Designer uses a key to verify Logix controllers are communicating with the affected Rockwell Automation products. The product is vulnerable because an unauthenticated attacker could bypass this verification mechanism and authenticate with Logix controllers.CVE-2021-22681 has been assigned to this vulnerability. A CVSS v3 base score of 10.0 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).