Vulnerability Monitor

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CVE-2019-13927

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.

Published

2019-12-12T14:15:14.897

Last Modified

2024-11-21T04:25:42.927

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-472
  • Type: Primary
    CWE-668
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens pxc00-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc00-e.d - No
Operating System siemens pxc50-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc50-e.d - No
Operating System siemens pxc100-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc100-e.d - No
Operating System siemens pxc200-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc200-e.d - No
Operating System siemens pxa40-w0_firmware < 6.00.320 Yes
Hardware siemens pxa40-w0 - No
Operating System siemens pxa40-w1_firmware < 6.00.320 Yes
Hardware siemens pxa40-w1 - No
Operating System siemens pxa40-w2_firmware < 6.00.320 Yes
Hardware siemens pxa40-w2 - No
Operating System siemens pxc00-u_firmware < 6.00.320 Yes
Hardware siemens pxc00-u - No
Operating System siemens pxc64-u_firmware < 6.00.320 Yes
Hardware siemens pxc64-u - No
Operating System siemens pxc128-u_firmware < 6.00.320 Yes
Hardware siemens pxc128-u - No
Operating System siemens pxa30-w0_firmware < 6.00.320 Yes
Hardware siemens pxa30-w0 - No
Operating System siemens pxa30-w1_firmware < 6.00.320 Yes
Hardware siemens pxa30-w1 - No
Operating System siemens pxa30-w2_firmware < 6.00.320 Yes
Hardware siemens pxa30-w2 - No
Operating System siemens pxc22.1-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc22.1-e.d - No
Operating System siemens pxc36-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc36-e.d - No
Operating System siemens pxc36.1-e.d_firmware < 6.00.320 Yes
Hardware siemens pxc36.1-e.d - No
References