Information disclosure in Mitsubishi Electric GT and GOT Series Products

1) Weak Encoding for Password

EUVDB-ID: #VU78942

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0525

CWE-ID: CWE-261 - Weak Cryptography for Passwords

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GT Designer3: 1.295H

GOT2000 GT21 model: 01.49.000

GT SoftGOT2000: 1.295H

GOT2000 GT23 model: 01.49.000

GOT2000 GT25 model: 01.49.000

GOT2000 GT27 model: 01.49.000

GOT SIMPLE GS21 model: 01.49.000

GOT SIMPLE GS25 model: 01.49.000

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.