Denial of service

2021-06-2519:15:00

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7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.7%

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

CPENameOperatorVersion
fl_comserver_uni_232\\/422\\/485-t_firmwarelt2.40
fl_comserver_uni_232\\/422\\/485_firmwarelt2.40

CPE	Name	Operator	Version
	fl_comserver_uni_232\\/422\\/485-t_firmware	lt	2.40
	fl_comserver_uni_232\\/422\\/485_firmware	lt	2.40

References

cert.vde.com/en-us/advisories/vde-2021-022