CVE-2021-20597
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 系列产品存在访问控制错误漏洞，该漏洞源于产品未对凭证添加有效的保护机制，攻击者可通过用户注册、更改密码时通过嗅探工具获得凭证从而未经授权的登录到目标。以下产品及版本受到影响：Mitsubishi Electric MELSEC iQ-R R08/16/32/120SFCPU 所有固件
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I. Basic Information for CVE-2021-20597
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficiently Protected Credentials 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 login to the target unauthorizedly by sniffing network traffic and obtaining credentials when registering user information in the target or changing a password.
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 访问控制错误漏洞
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 系列产品存在访问控制错误漏洞，该漏洞源于产品未对凭证添加有效的保护机制，攻击者可通过用户注册、更改密码时通过嗅探工具获得凭证从而未经授权的登录到目标。以下产品及版本受到影响：Mitsubishi Electric MELSEC iQ-R R08/16/32/120SFCPU 所有固件
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-2021-20597
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20597 (2)
Other References for CVE-2021-20597 (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-2021-20594 | Mitsubishi Electric MELSEC iQ-R series 信息泄露漏洞 | |
| 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-2021-20597
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