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CVE-2019-13927

Quick assessment

Affected
Siemens AG Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2
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 PX是德国西门子（Siemens）公司的一套楼宇自动化控制系统。 Siemens Desigo PX中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.68% · P75
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I. Basic Information for CVE-2019-13927

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 PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 (All firmware versions < V6.00.320), Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 (All firmware versions < V6.00.320), Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server (All firmware versions < V6.00.320). The device contains a vulnerability that could allow an attacker to cause a denial of service condition on the device's web server by sending a specially crafted HTTP message to the web server port (tcp/80). The security vulnerability could be exploited by an attacker with network access to an affected device. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise the availability of the device's web service. While the device itself stays operational, the web server responds with HTTP status code 404 (Not found) to any further request. A reboot is required to recover the web interface. 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
对假设不可变Web参数的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens Desigo PX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Desigo PX是德国西门子（Siemens）公司的一套楼宇自动化控制系统。 Siemens Desigo PX中存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务。
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 AG Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 All firmware versions < V6.00.320 -
Siemens AG Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 All firmware versions < V6.00.320 -
Siemens AG Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server All firmware versions < V6.00.320 -

II. Public POCs for CVE-2019-13927

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III. Intelligence Information for CVE-2019-13927

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Vendor Advisories for CVE-2019-13927 (1)

Same Patch Batch · Siemens AG · 2019-12-12 · 8 CVEs total

CVE-2019-13930 Siemens XHQ Operations Intelligence 跨站请求伪造漏洞
CVE-2019-13931 Siemens XHQ Operations Intelligence 跨站脚本漏洞
CVE-2019-13932 Siemens XHQ Operations Intelligence 安全漏洞
CVE-2019-13942 Siemens EN100 Ethernet Module 缓冲区错误漏洞
CVE-2019-13943 Siemens EN100 Ethernet Module 跨站脚本漏洞
CVE-2019-13944 Siemens EN100 Ethernet module 路径遍历漏洞
CVE-2019-13945 Siemens SIMATIC S7-200和S7-1200 输入验证错误漏洞

IV. Related Vulnerabilities

Same vendor: Siemens AG
Same weakness: CWE-472

V. Comments for CVE-2019-13927

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