SB2023110329 - Improper Restriction of Excessive Authentication Attempts in Mitsubishi Electric MELSEC iQ-F Series CPU Module

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2023-4625)

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper restriction of excessive authentication attempts in the web server function. A remote attacker can prevent legitimate users from logging in to the web server function for a certain period of time

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-306-02
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-014_en.pdf