CVE-2023-0457— Information Disclosure Vulnerability in MELSEC Series
Quick assessment
Affected
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mitsubishi Electric MELSEC iQ-F 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 MELSEC iQ-F Series 存在信息泄露漏洞，该漏洞源于以明文形式存储密码。
Possible ATT&CK Techniques 1 AI
T1552 · Unsecured Credentials
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I. Basic Information for CVE-2023-0457
Vulnerability Information
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Vulnerability Title
Information Disclosure Vulnerability in MELSEC Series
Source: CVE Program / CVE List V5
Vulnerability Description
Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series, MELSEC-Q Series and MELSEC-L Series allows a remote unauthenticated attacker to disclose plaintext credentials stored in project files and login into FTP server or Web server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
明文存储口令
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC iQ-F series 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-F 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 MELSEC iQ-F Series 存在信息泄露漏洞，该漏洞源于以明文形式存储密码。
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
II. Public POCs for CVE-2023-0457
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2023-0457 (2)
Other References for CVE-2023-0457 (1)
IV. Related Vulnerabilities
Same product: MELSEC iQ-F Series FX5U-32MT/ES
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CVE-2025-10259
Denial-of-Service(DoS) Vulnerability in TCP Communication Fu -
CVE-2025-7731
Information Disclosure Vulnerability in MELSEC iQ-F Series C -
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Information Disclosure, Information Tampering, and Denial of -
CVE-2025-5514
Denial-of-Service(DoS) Vulnerability in Web server function -
CVE-2025-5241
Denial-of-Service Vulnerability in MELSEC iQ-F Series
Same vendor: Mitsubishi Electric Corporation
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CVE-2026-15688
Password Authentication Bypass Vulnerability in GX Works3 an -
CVE-2026-13584
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CVE-2026-8806
Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series -
CVE-2026-8805
Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series -
CVE-2026-5667
Information Disclosure, Information Tampering, or Denial-of-
Same weakness: CWE-256
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Contec CONPROSYS nano Series 信任管理问题漏洞 -
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Plaintext Storage of User Credentials in Menulux Software's
V. Comments for CVE-2023-0457
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