#VU48539 Resource management error in Mitsubishi Electric products - CVE-2020-5649

Vulnerability identifier: #VU48539

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-5649

CWE-ID: CWE-399

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application. A remote attacker can send a specially crafted packet and perform a denial of service (DoS) attack.

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