Vulnerability identifier: #VU48537

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-2020-5647

CWE-ID: CWE-284

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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can send a specially crafted packet and gain unauthorized access to the application.

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.