#VU7185 Authentication bypass in SIMATIC CP 44x-1 RNA - CVE-2017-6868
Published: June 23, 2017 / Updated: June 29, 2017
Vulnerability identifier: #VU7185
Vulnerability risk: High
CVSSv4.0: 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
CVE-ID: CVE-2017-6868
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATIC CP 44x-1 RNA
SIMATIC CP 44x-1 RNA
Software vendor:
Siemens
Siemens
Description
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.
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
Update to version 1.4.1.