SB2017062305 - Authentication bypass in Siemens SIMATIC CP 44x-1 RNA
Published: June 23, 2017
Security Bulletin ID
SB2017062305
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-2017-6868)
The vulnerability allows a remote unauthenticated attacker to bypass authentication on the target system.The weakness exists in Siemens SIMATIC Communication Processor (CP) 44x-1 Redundant Network Access (RNA) modules due to
improper authentication restrictions. A remote attacker can connect to a targeted system via TCP port 102 and gain administrative control over the system.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.