Invalid Modbus Exception Response Vulnerability in Phoenix Contact FL COMSERVER UNI (Versions < 2.40)

Invalid Modbus Exception Response Vulnerability in Phoenix Contact FL COMSERVER UNI (Versions < 2.40)

CVE-2021-21002 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.

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