CVE-2023-1618— Authentication Bypass Vulnerability in MELSEC WS Series Ethernet Interface Module
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I. Basic Information for CVE-2023-1618
Vulnerability Information
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Vulnerability Title
Authentication Bypass Vulnerability in MELSEC WS Series Ethernet Interface Module
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
遗留的调试代码
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric Corporation MELSEC WS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric Corporation MELSEC WS Series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi Electric Corporation MELSEC WS WS0-GETH00200 存在安全漏洞，该漏洞源于允许未经身份验证的远程攻击者绕过身份验证并通过 telnet 连接非法登录受影响的模块。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mitsubishi Electric Corporation | MELSEC WS Series WS0-GETH00200 | Serial number 2310 **** and prior | - |
II. Public POCs for CVE-2023-1618
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IV. Related Vulnerabilities
Same vendor: Mitsubishi Electric Corporation
- CVE-2025-14816
Information Disclosure, Tampering, and Denial-of-Service Vul - CVE-2025-14815
Information Disclosure, Tampering, and Denial-of-Service Vul - CVE-2025-2399
Denial of Service (DoS) Vulnerability in Mitsubishi Electric - CVE-2026-1876
Denial-of-Service (DoS) vulnerability in Ethernet function o - CVE-2026-1875
Denial-of-Service (DoS) vulnerability in Ethernet function o
Same weakness: CWE-489
V. Comments for CVE-2023-1618
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