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CVE-2019-10920

Quick assessment

Affected
Siemens LOGO! 8 BM (incl. SIPLUS variants)
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.

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（全部版本）中存在信任管理问题漏洞。该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用默认密码或者硬编码密码、硬编码证书等攻击受影响组件。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.50% · P73

Possible ATT&CK Techniques 1 AI

T1529 · System Shutdown/Reboot
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I. Basic Information for CVE-2019-10920

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Project data stored on the device, which is accessible via port 10005/tcp, can be decrypted due to a hardcoded encryption key. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens LOGO!8 BM 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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（全部版本）中存在信任管理问题漏洞。该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用默认密码或者硬编码密码、硬编码证书等攻击受影响组件。
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
Siemens LOGO! 8 BM (incl. SIPLUS variants) All versions < V8.3 -

II. Public POCs for CVE-2019-10920

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III. Intelligence Information for CVE-2019-10920

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Vendor Advisories for CVE-2019-10920 (2)

Exploits & Public PoCs for CVE-2019-10920 (1)

Mailing List Discussions for CVE-2019-10920 (2)

Same Patch Batch · Siemens · 2019-05-14 · 4 CVEs total

CVE-2019-10919 Siemens LOGO!8 BM 访问控制错误漏洞
CVE-2019-10921 Siemens LOGO!8 BM 信任管理问题漏洞
CVE-2019-10924 Siemens LOGO! Soft Comfort 代码问题漏洞

IV. Related Vulnerabilities

Same product: LOGO! 8 BM (incl. SIPLUS variants)
Same vendor: Siemens
Same weakness: CWE-321

V. Comments for CVE-2019-10920

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