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Unrated severityNVD Advisory· Published Oct 30, 2020· Updated Aug 4, 2024

CVE-2020-5653

CVE-2020-5653

Description

Buffer overflow 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 or execute a malicious program via a specially crafted packet.

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Affected products

4
  • Mitsubishielectric/RJ71EIP91llm-create
    Range: serial number first two digits <= 02
  • Mitsubishielectric/RJ71PN92llm-create
    Range: serial number first two digits <= 01
  • Mitsubishielectric/RD81DL96llm-create
    Range: serial number first two digits <= 08
  • Mitsubishielectric/MELSEC iQ-R Seriescpe-rescue
    Range: 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

Patches

Vulnerability mechanics

References

3

News mentions

0

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