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[email protected]CVE-2019-13927

HistoryDec 12, 2019 - 2:15 p.m.

CVE-2019-13927

2019-12-1214:15:14

CWE-472

CWE-668

[email protected]

web.nvd.nist.gov

desigo px

automation controllers

vulnerability

denial of service

web server

security

firmware

http

nvd

cve-2019-13927

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.3%

JSON

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.

Affected configurations

NVD

Node

siemenspxc00-e.dMatch-

AND

siemenspxc00-e.d_firmwareRange<6.00.320

Node

siemenspxc50-e.dMatch-

AND

siemenspxc50-e.d_firmwareRange<6.00.320

Node

siemenspxc100-e.dMatch-

AND

siemenspxc100-e.d_firmwareRange<6.00.320

Node

siemenspxc200-e.dMatch-

AND

siemenspxc200-e.d_firmwareRange<6.00.320

Node

siemenspxa40-w0Match-

AND

siemenspxa40-w0_firmwareRange<6.00.320

Node

siemenspxa40-w1Match-

AND

siemenspxa40-w1_firmwareRange<6.00.320

Node

siemenspxa40-w2Match-

AND

siemenspxa40-w2_firmwareRange<6.00.320

Node

siemenspxc00-uMatch-

AND

siemenspxc00-u_firmwareRange<6.00.320

Node

siemenspxc64-u_firmwareRange<6.00.320

AND

siemenspxc64-uMatch-

Node

siemenspxc128-u_firmwareRange<6.00.320

AND

siemenspxc128-uMatch-

Node

siemenspxa30-w0_firmwareRange<6.00.320

AND

siemenspxa30-w0Match-

Node

siemenspxa30-w1_firmwareRange<6.00.320

AND

siemenspxa30-w1Match-

Node

siemenspxa30-w2_firmwareRange<6.00.320

AND

siemenspxa30-w2Match-

Node

siemenspxc22.1-e.d_firmwareRange<6.00.320

AND

siemenspxc22.1-e.dMatch-

Node

siemenspxc36-e.d_firmwareRange<6.00.320

AND

siemenspxc36-e.dMatch-

Node

siemenspxc36.1-e.d_firmwareRange<6.00.320

AND

siemenspxc36.1-e.dMatch-

CPENameOperatorVersion
siemens:pxc00-e.d_firmwaresiemens pxc00-e.d firmwarelt6.00.320

CPE	Name	Operator	Version
siemens:pxc00-e.d_firmware	siemens pxc00-e.d firmware	lt	6.00.320

CNA Affected

[
  {
    "product": "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",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All firmware versions < V6.00.320"
      }
    ]
  },
  {
    "product": "Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All firmware versions < V6.00.320"
      }
    ]
  },
  {
    "product": "Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server",
    "vendor": "Siemens AG",
    "versions": [
      {
        "status": "affected",
        "version": "All firmware versions < V6.00.320"
      }
    ]
  }
]