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CVE-2021-22792— Schneider Electric Modicon M580 CPU 代码问题漏洞

一分钟漏洞结论

影响对象
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)
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Schneider Electric Modicon M580 CPU是法国施耐德电气（Schneider Electric）公司的一款M580以太网可编程自动化控制器的处理器模块。 Schneider Electric Modicon M580 CPU 存在代码问题漏洞，该漏洞源于在 Modicon M580 CPU（部件号 BMEP 和 BMEH，所有版本）中存在一个空指针解除引用。攻击者可利用该漏洞导致 Modicon PLC 控制器/模拟器拒绝服。

AI 预测 5.5 利用难度: 较易 EPSS 0.94% · P58

可能的 ATT&CK 技术 1 AI

T1499 · Endpoint Denial of Service

影响版本矩阵 1

厂商产品 版本范围状态
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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一、 漏洞 CVE-2021-22792 基础信息

漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
A CWE-476: NULL Pointer Dereference 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).
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
来源: CVE Program / CVE List V5
Vulnerability Title
Schneider Electric Modicon M580 CPU 代码问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Schneider Electric Modicon M580 CPU是法国施耐德电气（Schneider Electric）公司的一款M580以太网可编程自动化控制器的处理器模块。 Schneider Electric Modicon M580 CPU 存在代码问题漏洞，该漏洞源于在 Modicon M580 CPU（部件号 BMEP* 和 BMEH*，所有版本）中存在一个空指针解除引用。攻击者可利用该漏洞导致 Modicon PLC 控制器/模拟器拒绝服。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
- 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 -

二、漏洞 CVE-2021-22792 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2021-22792 的情报信息

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CVE-2021-22792 其他参考 (1)

同批安全公告 · n/a · 2021-09-02 · 共 15 条

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-2021-22791 多款 Schneider Electric 产品缓冲区错误漏洞
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

Same product: 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)
Same vendor: n/a
Same weakness: CWE-476

V. Comments for CVE-2021-22792

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