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CVE-2021-41545

Quick assessment

Affected
Siemens Desigo DXR2
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 Desigo DXR2等都是德国西门子（Siemens）公司的一个楼宇自动化和控制产品。 Siemens Desigo DXR2 V01.21.142.5-22之前版本、Desigo PXC3 V01.21.142.4-18之前版本、Desigo PXC4 V02.20.142.10-10884之前版本存在安全漏洞，该漏洞源于当控制器接收到特定的BACnet协议数据包时导致BACnet通信功能无法工作。

AI Predicted 8.6 Difficulty: Easy EPSS 0.93% · P59
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I. Basic Information for CVE-2021-41545

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). When the controller receives a specific BACnet protocol packet, an exception causes the BACnet communication function to go into a “out of work” state and could result in the controller going into a “factory reset” state.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
多款Siemens产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Desigo DXR2等都是德国西门子（Siemens）公司的一个楼宇自动化和控制产品。 Siemens Desigo DXR2 V01.21.142.5-22之前版本、Desigo PXC3 V01.21.142.4-18之前版本、Desigo PXC4 V02.20.142.10-10884之前版本存在安全漏洞，该漏洞源于当控制器接收到特定的BACnet协议数据包时导致BACnet通信功能无法工作。
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 Desigo DXR2 All versions < V01.21.142.5-22 -
Siemens Desigo PXC3 All versions < V01.21.142.4-18 -
Siemens Desigo PXC4 All versions < V02.20.142.10-10884 -
Siemens Desigo PXC5 All versions < V02.20.142.10-10884 -

II. Public POCs for CVE-2021-41545

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III. Intelligence Information for CVE-2021-41545

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Vendor Advisories for CVE-2021-41545 (1)

Same Patch Batch · Siemens · 2022-05-10 · 31 CVEs total

CVE-2022-29873 9.8 CRITICAL Siemens SICAM 安全漏洞
CVE-2022-29872 8.8 HIGH Siemens SICAM 输入验证错误漏洞
CVE-2022-29874 8.8 HIGH Siemens SICAM 安全漏洞
CVE-2022-24287 7.8 HIGH Siemens SIMATIC 安全漏洞
CVE-2022-29878 7.5 HIGH Siemens SICAM 安全漏洞
CVE-2022-29882 7.1 HIGH Siemens SICAM 跨站脚本漏洞
CVE-2022-29876 7.1 HIGH Siemens SICAM 跨站脚本漏洞
CVE-2022-29880 6.5 MEDIUM Siemens SICAM 跨站脚本漏洞
CVE-2022-29883 5.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-29881 5.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-29879 4.3 MEDIUM Siemens SICAM 访问控制错误漏洞
CVE-2022-24040 多款Siemens产品资源管理错误漏洞
CVE-2022-24041 多款Siemens产品安全漏洞
CVE-2022-24042 多款Siemens产品代码问题漏洞
CVE-2022-24043 多款Siemens产品安全漏洞
CVE-2022-24044 多款Siemens产品安全漏洞
CVE-2022-24045 多款Siemens产品安全漏洞
CVE-2022-24039 Siemens Desigo PXC4 安全漏洞
CVE-2022-24290 Siemens Teamcenter 缓冲区错误漏洞
CVE-2022-27242 OpenV2G 安全漏洞

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Desigo DXR2
Same vendor: Siemens
Same weakness: CWE-248

V. Comments for CVE-2021-41545

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