CVE-2021-22787
Quick assessment
Affected
n/a Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (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 M340是法国施耐德电气（Schneider Electric）公司的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）。 Schneider Electric Modicon M340存在输入验证错误漏洞，当攻击者向设备的 Web 服务器发送特制的 HTTP 请求时，该漏洞可能导致设备拒绝服务。受影响的产品：Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X8
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Proces | Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules |
affected |
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I. Basic Information for CVE-2021-22787
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon M340 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon M340是法国施耐德电气（Schneider Electric）公司的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）。 Schneider Electric Modicon M340存在输入验证错误漏洞，当攻击者向设备的 Web 服务器发送特制的 HTTP 请求时，该漏洞可能导致设备拒绝服务。受影响的产品：Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X8
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 M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP | Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP | - |
|
II. Public POCs for CVE-2021-22787
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-22787 (1)
Same Patch Batch · n/a · 2022-02-11 · 68 CVEs total
| CVE-2021-23555 | 9.8 CRITICAL | Sandbox Bypass |
| CVE-2021-23597 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2021-22785 | Schneider Electric 多款产品信息泄露漏洞 | |
| CVE-2021-45387 | AppNeta tcpreplay 安全漏洞 | |
| CVE-2021-45386 | Appneta Tcpreplay 安全漏洞 | |
| CVE-2021-45385 | ffjpeg 代码问题漏洞 | |
| CVE-2021-42940 | Projeqtor 安全漏洞 | |
| CVE-2021-44111 | S-cart 路径遍历漏洞 | |
| CVE-2021-31932 | Nokia BTS TRS web console 安全漏洞 | |
| CVE-2021-22748 | Schneider Electric C-Bus Toolkit 路径遍历漏洞 | |
| CVE-2021-22796 | Schneider Electric 多款产品授权问题漏洞 | |
| CVE-2020-36062 | PHPGurukul Dairy Farm Shop Management System 信任管理问题漏洞 | |
| CVE-2021-22798 | Schneider Electric Conext™ComBox 安全漏洞 | |
| CVE-2021-22788 | Schneider Electric 多款产品缓冲区错误漏洞 | |
| CVE-2021-22806 | Schneider Electric 多款产品安全漏洞 | |
| CVE-2021-22801 | Schneider Electric ConneXium Network Manager Software 安全漏洞 | |
| CVE-2021-22803 | Schneider Electric IGSS 代码问题漏洞 | |
| CVE-2021-22802 | Schneider Electric IGSS 安全漏洞 | |
| CVE-2021-22804 | Schneider Electric IGSS 路径遍历漏洞 | |
| CVE-2021-22805 | Schneider Electric IGSS 访问控制错误漏洞 |
Showing top 20 of 68 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-22787
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