CVE-2023-2846 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mitsubishielectric	Fx3U-16Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-16Mr\/Es	-
Mitsubishielectric	Fx3U-16Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-16Mt\/Es	-
Mitsubishielectric	Fx3U-16Mt\/Ess Firmware	-
Mitsubishielectric	Fx3U-16Mt\/Ess	-
Mitsubishielectric	Fx3U-32Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-32Mr\/Es	-
Mitsubishielectric	Fx3U-32Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-32Mt\/Es	-
Mitsubishielectric	Fx3U-32Mt\/Ess Firmware	-
Mitsubishielectric	Fx3U-32Mt\/Ess	-
Mitsubishielectric	Fx3U-48Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-48Mr\/Es	-
Mitsubishielectric	Fx3U-48Mt\/Es Firmware	-
Mitsubishielectric	Fx3U-48Mt\/Es	-
Mitsubishielectric	Fx3U-48Mt\/Ess Firmware	-
Mitsubishielectric	Fx3U-48Mt\/Ess	-
Mitsubishielectric	Fx3U-64Mr\/Es Firmware	-
Mitsubishielectric	Fx3U-64Mr\/Es	-

Related Weaknesses (CWE)

CWE-294

References

https://jvn.jp/vu/JVNVU94519952MitigationThird Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-04MitigationThird Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-005_en.pdfMitigationVendor Advisory
https://jvn.jp/vu/JVNVU94519952MitigationThird Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-04MitigationThird Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-005_en.pdfMitigationVendor Advisory

FAQ

What is CVE-2023-2846?

CVE-2023-2846 is a vulnerability with a CVSS score of 7.5 (HIGH). Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting...

How severe is CVE-2023-2846?

CVE-2023-2846 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-2846?

Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric Fx3U-16Mr\/Es Firmware, Mitsubishielectric Fx3U-16Mr\/Es, Mitsubishielectric Fx3U-16Mt\/Es Firmware, Mitsubishielectric Fx3U-16Mt\/Es, Mitsubishielectric Fx3U-16Mt\/Ess Firmware.