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CVE-2021-25671

Quick assessment

Affected
Siemens RWG1.M12
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 RWG是德国西门子（Siemens）公司的一款可编程逻辑控制器。 Siemens RWG 存在安全漏洞，该漏洞可能导致拒绝服务。以下产品和版本受到影响：RWG1.M12 (All versions < V1.16.16), RWG1.M12D (All versions < V1.16.16), RWG1.M8 (All versions < V1.16.16)。

AI Predicted 5.3 Difficulty: Easy EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-25671

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in RWG1.M12 (All versions < V1.16.16), RWG1.M12D (All versions < V1.16.16), RWG1.M8 (All versions < V1.16.16). Sending specially crafted ARP packets to an affected device could cause a partial denial-of-service, preventing the device to operate normally. A restart is needed to restore normal operations.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens RWG 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens RWG是德国西门子（Siemens）公司的一款可编程逻辑控制器。 Siemens RWG 存在安全漏洞，该漏洞可能导致拒绝服务。以下产品和版本受到影响：RWG1.M12 (All versions < V1.16.16), RWG1.M12D (All versions < V1.16.16), RWG1.M8 (All versions < V1.16.16)。
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 RWG1.M12 All versions < V1.16.16 -
Siemens RWG1.M12D All versions < V1.16.16 -
Siemens RWG1.M8 All versions < V1.16.16 -

II. Public POCs for CVE-2021-25671

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-25671

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Vendor Advisories for CVE-2021-25671 (1)

Same Patch Batch · Siemens · 2021-07-13 · 56 CVEs total

CVE-2021-31895 8.1 HIGH Siemens RUGGEDCOM安全漏洞
CVE-2020-28400 7.5 HIGH Siemens SCALANCE S602安全漏洞
CVE-2021-34315 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34327 Siemens JT2GO 缓冲区错误漏洞
CVE-2021-34330 Siemens Jt2go和Siemens Teamcenter Visualization 输入验证错误漏洞
CVE-2021-34329 Siemens JT2GO和Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34328 Siemens JT2GO 缓冲区错误漏洞
CVE-2021-34331 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34319 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34318 Siemens Jt2go和Siemens Teamcenter Visualization 输入验证错误漏洞
CVE-2021-34317 Siemens JT2GO 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34316 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34321 Siemens JT2GO 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34314 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34313 Siemens Jt2go 缓冲区错误漏洞
CVE-2021-34312 Siemens JT2GO 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34311 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34310 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34309 Siemens Jt2go 和 Siemens Teamcenter Visualization 缓冲区错误漏洞
CVE-2021-34308 Siemens JT2GO 缓冲区错误漏洞

Showing top 20 of 56 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Siemens
Same weakness: CWE-770

V. Comments for CVE-2021-25671

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