CVE-2019-14926: Critical severity mitsubishielectric smartrtu firmware vulnerability
An issue was discovered on Mitsubishi Electric Europe B.V. ME-RTU devices through 2.02 and INEA ME-RTU devices through 3.0. Hard-coded SSH keys allow an attacker to gain unauthorised access or disclose encrypted data on the RTU due to the keys not being regenerated on initial installation or with firmware updates. In other words, these devices use private-key values in /etc/ssh/sshhostrsakey, /etc/ssh/sshhostecdsakey, and /etc/ssh/sshhostdsakey files that are publicly available from the vendor web sites.
Other sources
An issue was discovered on Mitsubishi Electric ME-RTU devices through 2.02 and INEA ME-RTU devices through 3.0. Hard-coded SSH keys allow an attacker to gain unauthorised access or disclose encrypted data on the RTU due to the keys not being regenerated on initial installation or with firmware updates. In other words, these devices use private-key values in /etc/ssh/sshhostrsakey, /etc/ssh/sshhostecdsakey, and /etc/ssh/sshhostdsakey files that are publicly available from the vendor web sites.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-14926?
CVE-2019-14926 is a vulnerability discovered on Mitsubishi Electric ME-RTU devices through 2.02 and INEA ME-RTU devices through 3.0.
How severe is CVE-2019-14926?
CVE-2019-14926 has a severity score of 9.8, which is considered critical.
What is the impact of CVE-2019-14926?
CVE-2019-14926 allows an attacker to gain unauthorized access or disclose encrypted data on the RTU.
Which devices are affected by CVE-2019-14926?
Mitsubishi Electric ME-RTU devices through 2.02 and INEA ME-RTU devices through 3.0 are affected by CVE-2019-14926.
How can I mitigate CVE-2019-14926?
To mitigate CVE-2019-14926, it is recommended to regenerate the SSH keys on initial installation or with firmware updates.