CVE-2021-22791
Quick assessment
Affected
n/a Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions)
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.
Schneider Electric Modicon M580等都是法国施耐德电气（Schneider Electric）公司的产品。Schneider Electric Modicon M580是一款可编程自动化控制器。Schneider Electric Modicon Quantum是一款用于过程应用、高可用性和安全解决方案的大型可编程逻辑控制器（PLC）。Schneider Electric Modicon M340是一款用于工业过程和基础设施的中程PLC（可编程逻辑控制器）。 多款 Schnei
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for StealthAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU ( | Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34 |
affected |
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I. Basic Information for CVE-2021-22791
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A CWE-787: Out-of-bounds Write vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for EcoStruxureª Control Expert, including all Unity Pro versions (former name of EcoStruxureª Control Expert, all versions), PLC Simulator for EcoStruxureª Process Expert including all HDCS versions (former name of EcoStruxureª Process Expert, all versions), Modicon Quantum CPU (part numbers 140CPU*, all versions), Modicon Premium CPU (part numbers TSXP5*, all versions).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
多款 Schneider Electric 产品缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon M580等都是法国施耐德电气（Schneider Electric）公司的产品。Schneider Electric Modicon M580是一款可编程自动化控制器。Schneider Electric Modicon Quantum是一款用于过程应用、高可用性和安全解决方案的大型可编程逻辑控制器（PLC）。Schneider Electric Modicon M340是一款用于工业过程和基础设施的中程PLC（可编程逻辑控制器）。 多款 Schnei
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 |
|---|---|---|---|---|
| - | Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for | Modicon M580 CPU (part numbers BMEP* and BMEH*, all versions), Modicon M340 CPU (part numbers BMXP34*, all versions), Modicon MC80 (part numbers BMKC80*, all versions), Modicon Momentum Ethernet CPU (part numbers 171CBU*, all versions), PLC Simulator for | - |
|
II. Public POCs for CVE-2021-22791
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-22791 (1)
Same Patch Batch · n/a · 2021-09-02 · 15 CVEs total
| CVE-2020-18048 | CraigMS 命令注入漏洞 | |
| CVE-2021-22525 | Micro Focus NetIQ Access Manager 信息泄露漏洞 | |
| CVE-2021-22704 | 多款 Schneider Electric 产品路径遍历漏洞 | |
| CVE-2021-22793 | Schneider Electric AccuSine PCS+和Schneider Electric AccuSine PCSn 信息泄露漏洞 | |
| CVE-2021-22792 | Schneider Electric Modicon M580 CPU 代码问题漏洞 | |
| CVE-2021-22790 | Schneider Electric Modicon M580 CPU 缓冲区错误漏洞 | |
| CVE-2021-22789 | Schneider Electric Modicon M580 CPU 缓冲区错误漏洞 | |
| CVE-2021-22775 | Schneider Electric GP-Pro EX 代码问题漏洞 | |
| CVE-2021-33938 | libsolv 缓冲区错误漏洞 | |
| CVE-2021-33930 | libsolv 缓冲区错误漏洞 | |
| CVE-2021-33929 | libsolv 缓冲区错误漏洞 | |
| CVE-2021-33928 | libsolv 缓冲区错误漏洞 | |
| CVE-2021-31796 | Cyberark Software CyberArk Credential Provider 加密问题漏洞 | |
| CVE-2021-31798 | Cyberark Software CyberArk Credential Provider 安全特征问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-22791
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