CVEDB API

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 55.6%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2021-21002

Phoenixcontact » Fl Comserver Uni 232/422/485-T » Version: N/A

cpe:2.3:h:phoenixcontact:fl_comserver_uni_232/422/485-t:-
Phoenixcontact » Fl Comserver Uni 232/422/485 » Version: N/A

cpe:2.3:h:phoenixcontact:fl_comserver_uni_232/422/485:-
Phoenixcontact » Fl Comserver Uni 232/422/485-T Firmware » Version: Any

cpe:2.3:o:phoenixcontact:fl_comserver_uni_232/422/485-t_firmware:*
Phoenixcontact » Fl Comserver Uni 232/422/485 Firmware » Version: Any

cpe:2.3:o:phoenixcontact:fl_comserver_uni_232/422/485_firmware:*