SB2024013110 - Authentication Bypass by Capture-replay in Mitsubishi Electric MELSEC WS Series Ethernet Interface Module

Description

This security bulletin contains information about 1 vulnerability.

1) Authentication Bypass by Capture-replay (CVE-ID: CVE-2023-6374)

CWE-ID: CWE-294 - Authentication Bypass by Capture-replay

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

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authentication bypass by capture-replay. A remote attacker can disclose or tamper with the programs and parameters in the modules.

Remediation

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

References

• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-019_en.pdf
• https://jvn.jp/vu/JVNVU99497477
• https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-03