CVE-2021-20594
Quick assessment
Affected
n/a Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU
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-R 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-R series CPU存在信息泄露漏洞，该漏洞源允许一个未经身份验证的远程攻击者可利用该漏洞获得合法用户名。
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I. Basic Information for CVE-2021-20594
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC iQ-R series 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-R 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-R series CPU存在信息泄露漏洞，该漏洞源允许一个未经身份验证的远程攻击者可利用该漏洞获得合法用户名。
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 MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU; Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU | Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior | - |
|
II. Public POCs for CVE-2021-20594
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2021-20594 (2)
Other References for CVE-2021-20594 (1)
Same Patch Batch · n/a · 2021-08-06 · 48 CVEs total
| CVE-2021-37540 | JetBrains Hub 加密问题漏洞 | |
| CVE-2021-36209 | JetBrains Hub 授权问题漏洞 | |
| CVE-2021-36705 | ProLink PRC2402M 命令注入漏洞 | |
| CVE-2021-38151 | Chikitsa Patient Management System 跨站脚本漏洞 | |
| CVE-2021-38149 | Chikitsa Patient Management System 跨站脚本漏洞 | |
| CVE-2021-37388 | D-Link DIR-615 安全漏洞 | |
| CVE-2021-20597 | Mitsubishi Electric MELSEC iQ-R series 访问控制错误漏洞 | |
| CVE-2021-38155 | OpenStack 安全漏洞 | |
| CVE-2021-38152 | Chikitsa Patient Management System 跨站脚本漏洞 | |
| CVE-2021-36708 | ProLink PRC2402M 授权问题漏洞 | |
| CVE-2021-36707 | ProLink PRC2402M 命令注入漏洞 | |
| CVE-2021-37541 | JetBrains Hub 授权问题漏洞 | |
| CVE-2021-37543 | JetBrains RubyMine 安全漏洞 | |
| CVE-2021-37542 | Jetbrains JetBrains TeamCity 跨站脚本漏洞 | |
| CVE-2021-37544 | Jetbrains JetBrains TeamCity 代码问题漏洞 | |
| CVE-2021-37545 | Jetbrains JetBrains TeamCity授权问题漏洞 | |
| CVE-2021-37546 | Jetbrains JetBrains TeamCity 加密问题漏洞 | |
| CVE-2021-37547 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-37548 | Jetbrains JetBrains TeamCity 安全漏洞 | |
| CVE-2021-37549 | JetBrains YouTrack 安全漏洞 |
Showing top 20 of 48 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-20594
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