PT-2020-18506 · Mitsubishi · Melsec Iq-R Series C Intelligent Function Module+5

Published 2020-02-17 · Updated 2020-03-04 · CVE-2020-5531

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric MELSEC C Controller Module versions with serial number 21121 or before Mitsubishi Electric MELSEC-Q Series C Controller Module versions with serial number 21121 or before Mitsubishi Electric MELSEC iQ-R Series C Controller Module versions with serial number 11 or before Mitsubishi Electric MELSEC iQ-R Series C Intelligent Function Module versions with serial number 11 or before Mitsubishi Electric RD55UP06-V versions with serial number 08 or before Mitsubishi Electric MELIPC Series MI5000 versions with serial number 03 or before, or firmware version 03 or before Mitsubishi Electric MI5122-VW versions with serial number 03 or before, or firmware version 03 or before

Description The issue allows remote attackers to cause a denial of service and/or execute malware via unspecified vectors.

Recommendations For Mitsubishi Electric MELSEC C Controller Module versions with serial number 21121 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric MELSEC-Q Series C Controller Module versions with serial number 21121 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric MELSEC iQ-R Series C Controller Module versions with serial number 11 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric MELSEC iQ-R Series C Intelligent Function Module versions with serial number 11 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric RD55UP06-V versions with serial number 08 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric MELIPC Series MI5000 versions with serial number 03 or before, or firmware version 03 or before, consider disabling remote access until a patch is available. For Mitsubishi Electric MI5122-VW versions with serial number 03 or before, or firmware version 03 or before, consider disabling remote access until a patch is available.

Fix

Related Identifiers

CVE-2020-5531

Affected Products

Melipc Series Mi5000

Melsec C Controller Module

Melsec Iq-R Series C Controller Module

Melsec Iq-R Series C Intelligent Function Module

Mi5122-Vw

Rd55Up06-V

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-5531 · Security Note
• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-003_en.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-5531 · Vendor Advisory
• https://t.me/cvenotify/1074 · Telegram Post
• https://jvn.jp/en/vu/JVNVU95424547/index.html · Note