#VU69734 Input validation error in Mitsubishi Electric products - CVE-2022-40266

Vulnerability identifier: #VU69734

Vulnerability risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-40266

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GOT2000 GT27 model
Server applications / SCADA systems
GOT2000 GT25 model
Server applications / SCADA systems
GOT2000 GT23 model
Server applications / SCADA systems

Vendor: Mitsubishi Electric

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GOT2000 GT27 model: 01.39.000

GOT2000 GT25 model: 01.39.000

GOT2000 GT23 model: 01.39.000

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External links
https://jvn.jp/vu/JVNVU95633416
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-016_en.pdf

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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