CWE
400
Advisory Published
Updated

CVE-2019-13555

First published: Wed Nov 13 2019(Updated: )

In Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU: serial number 21081 and prior, Q04/06/13/26UDPVCPU: serial number 21081 and prior, and Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU: serial number 21081 and prior, MELSEC-L Series L02/06/26CPU, L26CPU-BT: serial number 21101 and prior, L02/06/26CPU-P, L26CPU-PBT: serial number 21101 and prior, and L02/06/26CPU-CM, L26CPU-BT-CM: serial number 21101 and prior, a remote attacker can cause the FTP service to enter a denial-of-service condition dependent on the timing at which a remote attacker connects to the FTP server on the above CPU modules.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Mitsubishielectric Q03\/04\/06\/13\/26udvcpu Firmware<=21081
Mitsubishielectric Q03\/04\/06\/13\/26udvcpu
Mitsubishielectric Q04\/06\/13\/26udpvcpu Firmware<=21081
Mitsubishielectric Q04\/06\/13\/26udpvcpu
Mitsubishielectric Q03udecpu Firmware<=21081
Mitsubishielectric Q03udecpu
Mitsubishielectric Q04\/06\/10\/13\/20\/26\/50\/100udehcpu Firmware<=21081
Mitsubishielectric Q04\/06\/10\/13\/20\/26\/50\/100udehcpu
Mitsubishielectric L02\/06\/26cpu Firmware<=21101
Mitsubishielectric L02\/06\/26cpu
Mitsubishielectric L26cpu-bt Firmware<=21101
Mitsubishielectric L26cpu-bt
Mitsubishielectric L02\/06\/26cpu-p Firmware<=21101
Mitsubishielectric L02\/06\/26cpu-p
Mitsubishielectric L26cpu-pbt Firmware<=21101
Mitsubishielectric L26cpu-pbt
Mitsubishielectric L02\/06\/26cpu-cm Firmware<=21101
Mitsubishielectric L02\/06\/26cpu-cm
Mitsubishielectric L26cpu-bt-cm Firmware<=21101
Mitsubishielectric L26cpu-bt-cm

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Frequently Asked Questions

  • What is CVE-2019-13555?

    CVE-2019-13555 is a vulnerability in Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU, Q04/06/13/26UDPVCPU, Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC-L Series L02/06/26CPU, and L26CPU-BT with specific serial numbers and firmware versions prior to certain numbers.

  • What is the severity of CVE-2019-13555?

    The severity of CVE-2019-13555 is rated as medium with a severity value of 5.9.

  • Which software is affected by CVE-2019-13555?

    The Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU, Q04/06/13/26UDPVCPU, Q03UDECPU, Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC-L Series L02/06/26CPU, and L26CPU-BT with specific serial numbers and firmware versions prior to certain numbers are affected by CVE-2019-13555.

  • How can I fix CVE-2019-13555?

    To fix CVE-2019-13555, update the firmware of the affected Mitsubishi Electric MELSEC-Q and MELSEC-L Series devices to versions later than the specified vulnerable versions.

  • Where can I find more information about CVE-2019-13555?

    You can find more information about CVE-2019-13555 on the US-CERT website at the following link: https://www.us-cert.gov/ics/advisories/icsa-19-311-01

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