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CVE-2021-41769

Quick assessment

Affected
Siemens SIPROTEC 5 6MD85 devices (CPU variant CP300)
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 SIPROTEC 5是德国西门子（Siemens）公司的一款多功能继电器。 Siemens SIPROTEC 5 存在输入验证错误漏洞，该漏洞源于 Web 服务器中的不正确输入验证漏洞可能允许未经身份验证的用户访问设备信息。

AI Predicted 5.3 Difficulty: Easy EPSS 0.97% · P59
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I. Basic Information for CVE-2021-41769

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in SIPROTEC 5 6MD85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD89 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MU85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7KE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SA86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ81 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SK82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SK85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SL86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SS85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7ST85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SX85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UM85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7UT85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VK87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 Compact 7SX800 devices (CPU variant CP050) (All versions < V8.83). An improper input validation vulnerability in the web server could allow an unauthenticated user to access device information.
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
Siemens SIPROTEC 5 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SIPROTEC 5是德国西门子（Siemens）公司的一款多功能继电器。 Siemens SIPROTEC 5 存在输入验证错误漏洞，该漏洞源于 Web 服务器中的不正确输入验证漏洞可能允许未经身份验证的用户访问设备信息。
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 SIPROTEC 5 6MD85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 6MD86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 6MD89 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 6MU85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7KE85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SA82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SA86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SA87 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SD82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SD86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SD87 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SJ81 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SJ82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SJ85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SJ86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SK82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SK85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SL82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7SL86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SL87 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SS85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7ST85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7SX85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7UM85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7UT82 devices (CPU variant CP100) All versions < V8.83 -
Siemens SIPROTEC 5 7UT85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7UT86 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7UT87 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7VE85 devices (CPU variant CP300) All versions < V8.83 -
Siemens SIPROTEC 5 7VK87 devices (CPU variant CP300) All versions < V8.83 -

II. Public POCs for CVE-2021-41769

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III. Intelligence Information for CVE-2021-41769

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Vendor Advisories for CVE-2021-41769 (1)

Same Patch Batch · Siemens · 2022-01-11 · 8 CVEs total

CVE-2021-45460 Siemens Sicam Pq Analyzer 代码问题漏洞
CVE-2021-45033 Siemens SICAM A8000 CP-8000 信任管理问题漏洞
CVE-2021-45034 Siemens SICAM A8000 CP-8000 日志信息泄露漏洞
CVE-2021-37198 Siemens Comos 跨站请求伪造漏洞
CVE-2021-37197 Siemens Comos SQL注入漏洞
CVE-2021-37195 Siemens Comos 跨站脚本漏洞
CVE-2021-37196 Siemens Comos 路径遍历漏洞

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-20

V. Comments for CVE-2021-41769

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