Vulnerability identifier: #VU48534

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5644

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GT1450-QMBDE
Hardware solutions / Firmware
GT1450-QLBDE
Hardware solutions / Firmware
GT1455HS-QTBDE
Hardware solutions / Firmware
GT1450HS-QMBDE
Hardware solutions / Firmware
CoreOS
Hardware solutions / Firmware
GT1455-QTBDE
Hardware solutions / Firmware

Vendor: Mitsubishi Electric

Description

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

The vulnerability exists due to a boundary error. A remote attacker can send a specially crafted packet, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GT1450-QMBDE: All versions

GT1450-QLBDE: All versions

GT1455HS-QTBDE: All versions

GT1450HS-QMBDE: All versions

CoreOS: 05.65.00

GT1455-QTBDE: All versions

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External links
http://jvn.jp/vu/JVNVU99562395/index.html
http://us-cert.cisa.gov/ics/advisories/icsa-20-310-02
http://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf
http://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf

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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.