SB2018021405 - Authentication bypass in WAGO PFC200 Series controllers
Published: February 14, 2018
Security Bulletin ID
SB2018021405
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Authentication bypass (CVE-ID: CVE-2018-5459)
The vulnerability allows a remote attacker can bypass authentication on the target system.The weakness exists due improper authentication. A remote attacker can send specially-crafted TCP packets to Port 2455, bypass authentication, execute some unauthenticated commands such as reading, writing, or deleting arbitrary files, or manipulate the PLC application during runtime and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.