CVE-2022-25163

moderate-risk
Published 2022-06-02

Improper Input Validation vulnerability in Mitsubishi Electric MELSEC-Q Series QJ71E71-100 first 5 digits of serial number "24061" or prior, Mitsubishi Electric MELSEC-L series LJ71E71-100 first 5 digits of serial number "24061" or prior and Mitsubishi Electric MELSEC iQ-R Series RD81MES96N firmware version "08" or prior allows 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.

Do I need to act?

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0.40% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Melsec Iq-R Rd81Mes96N Firmware
Melsec Qj71E71-100 Firmware
Melsec Lj71E71-100 Firmware

Affected Vendors

Mitsubishi

References (4)

Third Party Advisory https://jvn.jp/vu/JVNVU92561747/index.html
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf
Third Party Advisory https://jvn.jp/vu/JVNVU92561747/index.html
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 9/34 · Low