#VU21969 Man-in-the-Middle (MitM) attack in Siemens products - CVE-2019-10929 

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Main Vulnerability Database Vulnerabilities #VU21969

#VU21969 Man-in-the-Middle (MitM) attack in Siemens products - CVE-2019-10929

Published: October 21, 2019


Vulnerability identifier: #VU21969
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-10929
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC S7-PLCSIM Advanced
SIMATIC S7-1500 Software Controller
SIMATIC ET 200SP Open Controller
SIMATIC S7-1500 CPU
SIMATIC S7-1200
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to perform man-in-the-middle (MitM) attack.

The vulnerability exists due to certain properties in the calculation used for integrity protection. A remote attacker in a Man-in-the-Middle position can modify network traffic exchanged on 102/tcp port.

This vulnerability affects the following products:

  • SIMATIC ET 200SP Open Controller CPU 1515SP PC (All versions)
  • SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (All versions)
  • SIMATIC S7-1200 CPU family (All versions >= V4.0)
  • SIMATIC S7-1500 CPU family (All versions)
  • SIMATIC S7-1500 Software Controller (All versions)
  • SIMATIC S7-PLCSIM Advanced (All versions)

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links