Schneider Electric Modicon Controllers
The device has predictable TCP initial sequence numbers that allow attackers to hijack TCP connections carrying unsecured communications.CVE-2019-6821has been assigned to this vulnerability. A CVSS v3 base score of 5.4 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).