PT-2022-3876 · Mitsubishi · Melsec Iq-R Series Rd81Mes96N+2

Published 2022-06-02 · Updated 2022-06-17 · CVE-2022-25163

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric MELSEC-Q Series QJ71E71-100 versions with first 5 digits of serial number 24061 or prior Mitsubishi Electric MELSEC-L Series LJ71E71-100 versions with first 5 digits of serial number 24061 or prior Mitsubishi Electric MELSEC iQ-R Series RD81MES96N versions with firmware version 08 or prior

Description The issue is caused by improper input validation, allowing a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on the target products by sending specially crafted packets.

Recommendations For Mitsubishi Electric MELSEC-Q Series QJ71E71-100 with first 5 digits of serial number 24061 or prior, update to a version with a serial number later than 24061. For Mitsubishi Electric MELSEC-L Series LJ71E71-100 with first 5 digits of serial number 24061 or prior, update to a version with a serial number later than 24061. For Mitsubishi Electric MELSEC iQ-R Series RD81MES96N with firmware version 08 or prior, update to a firmware version later than 08.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2022-04681

CVE-2022-25163

Affected Products

Melsec Iq-R Series Rd81Mes96N

Melsec L Series Lj71E71-100

Melsec Q Series Qj71E71-100

References · 6

• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-25163 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-25163 · Security Note
• https://bdu.fstec.ru/vul/2022-04681 · Security Note
• https://t.me/cibsecurity/43750 · Telegram Post
• https://jvn.jp/vu/JVNVU92561747/index.html · Note