CVE-2019-13555: Medium severity mitsubishielectric q03/04/06/13/26udvcpu firmware vulnerability
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.
Affected Software
Event History
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