Vulnerability identifier: #VU64386

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25163

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MELSEC-Q QJ71E71-100
Hardware solutions / Routers & switches, VoIP, GSM, etc
MELSEC-L Series LJ71E71-100
Hardware solutions / Routers & switches, VoIP, GSM, etc
MELSEC iQ-R Series RD81MES96N
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Mitsubishi Electric

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in various web functions. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MELSEC-Q QJ71E71-100: 24061

MELSEC-L Series LJ71E71-100: 24061

MELSEC iQ-R Series RD81MES96N: 08

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External links
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf
http://jvn.jp/vu/JVNVU92561747/index.html

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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.