CVE-2023-2846— Authentication Bypass Vulnerability in MELSEC-F Series main module
Quick assessment
Affected
Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MR/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存在安全漏洞，该漏洞源于捕获重放漏洞绕过身份验证，允许未经身份验证的远程攻击者通过发送特制数据包取消密码/关键字设置并登录受影响的产品。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-2846
Vulnerability Information
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Vulnerability Title
Authentication Bypass Vulnerability in MELSEC-F Series main module
Source: CVE Program / CVE List V5
Vulnerability Description
Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series main modules allows a remote unauthenticated attacker to cancel the password/keyword setting and login to the affected products by sending specially crafted packets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC iQ-F series 安全漏洞
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存在安全漏洞，该漏洞源于捕获重放漏洞绕过身份验证，允许未经身份验证的远程攻击者通过发送特制数据包取消密码/关键字设置并登录受影响的产品。
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-2023-2846
| # | POC Description | Source Link | Shenlong Link |
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Vendor Advisories for CVE-2023-2846 (2)
Other References for CVE-2023-2846 (1)
IV. Related Vulnerabilities
Same vendor: Mitsubishi Electric Corporation
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V. Comments for CVE-2023-2846
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