CVE-2023-1618: Authentication Bypass Vulnerability in MELSEC WS Series Ethernet Interface Module
First published: Fri May 19 2023(Updated: )
Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.
Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mitsubishielectric Melsec Ws0-geth00200 Firmware | ||
| Mitsubishielectric Melsec Ws0-geth00200 | ||
| Mitsubishi Electric WS0-GETH00200: Serial numbers 2310**** and prior |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-1618?
The severity of CVE-2023-1618 is high, with a severity value of 8.6.
How does CVE-2023-1618 affect Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200?
CVE-2023-1618 allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet, which is a hidden function.
Is Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 firmware affected by CVE-2023-1618?
Yes, Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 firmware is affected by CVE-2023-1618.
How can an attacker exploit CVE-2023-1618?
An attacker can exploit CVE-2023-1618 by connecting to the affected module via telnet, bypassing authentication and illegally logging in.
Is there a fix available for CVE-2023-1618?
Yes, Mitsubishi Electric Corporation has provided a fix for CVE-2023-1618. Please refer to the vendor's advisory for more information.
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- vendor/mitsubishielectric
- canonical/mitsubishielectric melsec ws0-geth00200 firmware
- canonical/mitsubishielectric melsec ws0-geth00200
- vendor/mitsubishi electric
- canonical/mitsubishi electric ws0-geth00200: serial numbers 2310**** and prior