Vulnerability Details CVE-2020-5655
NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://jvn.jp/vu/JVNVU92513419/index.html
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-012.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-012_en.pdf
- https://jvn.jp/vu/JVNVU92513419/index.html
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-012.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-012_en.pdf
Products affected by CVE-2020-5655
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cpe:2.3:h:mitsubishielectric:melsec_iq-rd81dl96:-
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cpe:2.3:h:mitsubishielectric:melsec_iq-rd81mes96n:-
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cpe:2.3:h:mitsubishielectric:melsec_iq-rd81opc96:-
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cpe:2.3:h:mitsubishielectric:melsec_iq-rj71eip91:-
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cpe:2.3:h:mitsubishielectric:melsec_iq-rj71pn92:-
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cpe:2.3:o:mitsubishielectric:melsec_iq-rd81dl96_firmware:-
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cpe:2.3:o:mitsubishielectric:melsec_iq-rd81mes96n_firmware:-
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cpe:2.3:o:mitsubishielectric:melsec_iq-rd81opc96_firmware:-
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cpe:2.3:o:mitsubishielectric:melsec_iq-rj71eip91_firmware:-
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cpe:2.3:o:mitsubishielectric:melsec_iq-rj71pn92_firmware:-