CVE-2023-4562 — CRITICAL (9.1)

Vulnerability Description

Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mitsubishielectric	Fx3G-14 Mr\/Ds Firmware	-
Mitsubishielectric	Fx3G-14 Mr\/Ds	-
Mitsubishielectric	Fx3G-14 Mr\/Es Firmware	-
Mitsubishielectric	Fx3G-14 Mr\/Es	-
Mitsubishielectric	Fx3G-14 Mt\/Ds Firmware	-
Mitsubishielectric	Fx3G-14 Mt\/Ds	-
Mitsubishielectric	Fx3G-14 Mt\/Dss Firmware	-
Mitsubishielectric	Fx3G-14 Mt\/Dss	-
Mitsubishielectric	Fx3G-14 Mt\/Es Firmware	-
Mitsubishielectric	Fx3G-14 Mt\/Es	-
Mitsubishielectric	Fx3G-14 Mt\/Ess Firmware	-
Mitsubishielectric	Fx3G-14 Mt\/Ess	-
Mitsubishielectric	Fx3G-14Mr\/Ds Firmware	-
Mitsubishielectric	Fx3G-14Mr\/Ds	-
Mitsubishielectric	Fx3G-14Mr\/Es Firmware	-
Mitsubishielectric	Fx3G-14Mr\/Es	-
Mitsubishielectric	Fx3G-14Mr\/Es-A Firmware	-
Mitsubishielectric	Fx3G-14Mr\/Es-A	-
Mitsubishielectric	Fx3G-14Mt\/Ds Firmware	-
Mitsubishielectric	Fx3G-14Mt\/Ds	-

Related Weaknesses (CWE)

CWE-287

References

https://jvn.jp/vu/JVNVU90509290/Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-13Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdfVendor Advisory
https://jvn.jp/vu/JVNVU90509290/Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-13Third Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdfVendor Advisory

FAQ

What is CVE-2023-4562?

CVE-2023-4562 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write mal...

How severe is CVE-2023-4562?

CVE-2023-4562 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-4562?

Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric Fx3G-14 Mr\/Ds Firmware, Mitsubishielectric Fx3G-14 Mr\/Ds, Mitsubishielectric Fx3G-14 Mr\/Es Firmware, Mitsubishielectric Fx3G-14 Mr\/Es, Mitsubishielectric Fx3G-14 Mt\/Ds Firmware.