#VU78942 Weak Encoding for Password in Mitsubishi Electric products - CVE-2023-0525

Vulnerability identifier: #VU78942

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-0525

CWE-ID: CWE-261

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
GT Designer3
GOT2000 GT21 model
GT SoftGOT2000
GOT2000 GT23 model
GOT2000 GT25 model
GOT2000 GT27 model
GOT SIMPLE GS21 model
GOT SIMPLE GS25 model

Software vendor:
Mitsubishi Electric

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to weak encoding for password in the Data Transfer Security function. A remote attacker can sniff packets containing encrypted passwords and obtain plaintext passwords.

Install updates from vendor's website.

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-215-02
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-008_en.pdf
• https://jvn.jp/vu/JVNVU95285923/index.html