CVE-2023-4625

Denial-of-Service（DoS） Vulnerability in Web server function on MELSEC Series CPU module

Description

Improper Restriction of Excessive Authentication Attempts vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F/iQ-R Series CPU modules Web server function allows a remote unauthenticated attacker to prevent legitimate users from logging into the Web server function for a certain period after the attacker has attempted to log in illegally by continuously attempting unauthorized login to the Web server function. The impact of this vulnerability will persist while the attacker continues to attempt unauthorized login.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory mitsubishielectric.com
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/D
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/D
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/D
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/DS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DSS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES-A
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MR/ES
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ESS
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R00CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R01CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R02CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R04CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R08CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R16CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R32CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R120CPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R04ENCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R08ENCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R16ENCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R32ENCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R120ENCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU
Affected: Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-014_en.pdf vendor advisory
https://jvn.jp/vu/JVNVU94620134 third party advisory government resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-02 government resource third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2023-4625?
CVE-2023-4625 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4625?
To fix CVE-2023-4625, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4625 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4625 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4625?
CVE-2023-4625 affects Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/D, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/D, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/D, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/DS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DSS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES-A, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MR/ES, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ESS, Mitsubishi Electric Corporation MELSEC iQ-R Series R00CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R01CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R02CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R04CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R08CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R16CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R32CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R120CPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R04ENCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R08ENCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R16ENCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R32ENCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R120ENCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU, Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.