SB2019112107 - Information disclosure in multiple Modicon Controllers

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Main Vulnerability Database SB2019112107

SB2019112107 - Information disclosure in multiple Modicon Controllers

Published: November 21, 2019

Security Bulletin ID SB2019112107
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2019-6852)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the File Transfer Protocol (FTP) uses hardcoded credentials to automate the file transfer process. A remote attacker can use the Web server of the controller on an unsecure network and disclose the FTP hardcoded credentials.

This vulnerability affects the following products:

  • M340 CPUs:

BMX P34x

  • M340 communication modules:

BMX NOE 0100

BMX NOE 0110

BMX NOC 0401

  • Premium CPUs:
TSX P57x
  • Premium communication modules:
TSX ETY x103
  • Quantum CPUs:
140 CPU6x
  • Quantum communication modules:
140 NOE 771x1
140 NOC 78x00
140 NOC 77101

Remediation

Install update from vendor's website.

References