SB2022062220 - Missing Authentication for Critical Function in Phoenix Contact Classic Line Industrial Controllers



SB2022062220 - Missing Authentication for Critical Function in Phoenix Contact Classic Line Industrial Controllers

Published: June 22, 2022

Security Bulletin ID SB2022062220
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Authentication for Critical Function (CVE-ID: CVE-2019-9201)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

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


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected product does not feature a function to authenticate communication protocols. A remote attacker can change or download the configuration, start or stop services, update or modify the firmware or shut down the device.


Remediation

Install update from vendor's website.