high7.5
CVE-2021-21002
In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.
Impact
In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Phoenixcontact | Fl Comserver Uni 232\/422\/485 Firmware | before 2.40 |
| Phoenixcontact | Fl Comserver Uni 232\/422\/485-T Firmware | before 2.40 |