Authentication Bypass Vulnerability in Mitsubishi Electric Corporation MELSEC WS Series
CVE-2023-6374

5.9MEDIUM

Key Information:

Vendor

Mitsubishi Electric Corporation

Status
Melsec Ws Series Ws0-geth00200
Vendor
CVE Published:
30 January 2024

What is CVE-2023-6374?

A vulnerability exists in the Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 that allows for authentication bypass through a capture-replay technique. This flaw enables an unauthenticated remote attacker to successfully bypass the module's authentication process, granting access to sensitive programs and parameters within the affected system. Such unauthorized access can allow perpetrators to view, modify, or tamper with critical system configurations, posing significant risks to operational integrity and security.

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Affected Version(s)

MELSEC WS Series WS0-GETH00200 All serial numbers

References

https://www.mitsubishielectric.com/en/psirt/vulnerability...
vendor-advisory
https://jvn.jp/vu/JVNVU99497477
government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-0...
government-resource

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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