CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-20591

Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to prevent legitimate clients from connecting to the MELSOFT transmission port (TCP/IP) by not closing a connection properly, which may lead to a denial of service (DoS) condition.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.005

EPSS Ranking 64.5%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 7.8

References

Products affected by CVE-2021-20591

Mitsubishielectric » R00cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r00cpu:-
Mitsubishielectric » R01cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r01cpu:-
Mitsubishielectric » R02cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r02cpu:-
Mitsubishielectric » R04cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r04cpu:-
Mitsubishielectric » R08cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r08cpu:-
Mitsubishielectric » R08pcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r08pcpu:-
Mitsubishielectric » R08psfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r08psfcpu:-
Mitsubishielectric » R08sfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r08sfcpu:-
Mitsubishielectric » R120cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r120cpu:-
Mitsubishielectric » R120pcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r120pcpu:-
Mitsubishielectric » R120psfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r120psfcpu:-
Mitsubishielectric » R120sfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r120sfcpu:-
Mitsubishielectric » R16cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r16cpu:-
Mitsubishielectric » R16pcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r16pcpu:-
Mitsubishielectric » R16psfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r16psfcpu:-
Mitsubishielectric » R16sfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r16sfcpu:-
Mitsubishielectric » R32cpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r32cpu:-
Mitsubishielectric » R32pcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r32pcpu:-
Mitsubishielectric » R32psfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r32psfcpu:-
Mitsubishielectric » R32sfcpu » Version: N/A

cpe:2.3:h:mitsubishielectric:r32sfcpu:-
Mitsubishielectric » R00cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r00cpu_firmware:-
Mitsubishielectric » R00cpu Firmware » Version: 19

cpe:2.3:o:mitsubishielectric:r00cpu_firmware:19
Mitsubishielectric » R00cpu Firmware » Version: 20

cpe:2.3:o:mitsubishielectric:r00cpu_firmware:20
Mitsubishielectric » R01cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r01cpu_firmware:-
Mitsubishielectric » R01cpu Firmware » Version: 19

cpe:2.3:o:mitsubishielectric:r01cpu_firmware:19
Mitsubishielectric » R01cpu Firmware » Version: 20

cpe:2.3:o:mitsubishielectric:r01cpu_firmware:20
Mitsubishielectric » R02cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r02cpu_firmware:-
Mitsubishielectric » R02cpu Firmware » Version: 19

cpe:2.3:o:mitsubishielectric:r02cpu_firmware:19
Mitsubishielectric » R02cpu Firmware » Version: 20

cpe:2.3:o:mitsubishielectric:r02cpu_firmware:20
Mitsubishielectric » R04cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r04cpu_firmware:-
Mitsubishielectric » R04cpu Firmware » Version: 51

cpe:2.3:o:mitsubishielectric:r04cpu_firmware:51
Mitsubishielectric » R04cpu Firmware » Version: 52

cpe:2.3:o:mitsubishielectric:r04cpu_firmware:52
Mitsubishielectric » R08cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r08cpu_firmware:-
Mitsubishielectric » R08cpu Firmware » Version: 51

cpe:2.3:o:mitsubishielectric:r08cpu_firmware:51
Mitsubishielectric » R08cpu Firmware » Version: 52

cpe:2.3:o:mitsubishielectric:r08cpu_firmware:52
Mitsubishielectric » R08pcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:-
Mitsubishielectric » R08psfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:-
Mitsubishielectric » R08sfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:-
Mitsubishielectric » R08sfcpu Firmware » Version: 22

cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:22
Mitsubishielectric » R120cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r120cpu_firmware:-
Mitsubishielectric » R120cpu Firmware » Version: 51

cpe:2.3:o:mitsubishielectric:r120cpu_firmware:51
Mitsubishielectric » R120cpu Firmware » Version: 52

cpe:2.3:o:mitsubishielectric:r120cpu_firmware:52
Mitsubishielectric » R120pcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:-
Mitsubishielectric » R120psfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:-
Mitsubishielectric » R120sfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:-
Mitsubishielectric » R120sfcpu Firmware » Version: 22

cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:22
Mitsubishielectric » R16cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r16cpu_firmware:-
Mitsubishielectric » R16cpu Firmware » Version: 51

cpe:2.3:o:mitsubishielectric:r16cpu_firmware:51
Mitsubishielectric » R16cpu Firmware » Version: 52

cpe:2.3:o:mitsubishielectric:r16cpu_firmware:52
Mitsubishielectric » R16pcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:-
Mitsubishielectric » R16psfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:-
Mitsubishielectric » R16sfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:-
Mitsubishielectric » R16sfcpu Firmware » Version: 22

cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:22
Mitsubishielectric » R32cpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r32cpu_firmware:-
Mitsubishielectric » R32cpu Firmware » Version: 51

cpe:2.3:o:mitsubishielectric:r32cpu_firmware:51
Mitsubishielectric » R32cpu Firmware » Version: 52

cpe:2.3:o:mitsubishielectric:r32cpu_firmware:52
Mitsubishielectric » R32pcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:-
Mitsubishielectric » R32psfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:-
Mitsubishielectric » R32sfcpu Firmware » Version: N/A

cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:-
Mitsubishielectric » R32sfcpu Firmware » Version: 22

cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:22

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-20591

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