CVE-2020-7589— Siemens LOGO!8 BM 访问控制错误漏洞

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A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions). The vulnerability could lead to an attacker reading and modifying the device configuration and obtain project files from affected devices. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 135/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

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关键功能的认证机制缺失

Siemens LOGO!8 BM 访问控制错误漏洞

Siemens LOGO!8 BM是德国西门子（Siemens）公司的一款可编程逻辑控制器。 Siemens LOGO!8 BM（所有版本）中存在访问控制错误漏洞，该漏洞源于程序缺少身份证验证。攻击者可借助135/tcp端口的访问权限利用该漏洞读取和修改设备配置并从设备中获取项目文件。

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