Vulnerability identifier: #VU11448
Vulnerability risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OpenPCS 7
Server applications /
SCADA systems
SIMATIC BATCH
Server applications /
SCADA systems
SIMATIC NET PC Software
Server applications /
SCADA systems
SIMATIC PCS 7
Server applications /
SCADA systems
SIMATIC Route Control
Server applications /
SCADA systems
SIMATIC WinCC Runtime Professional
Server applications /
SCADA systems
Siemens SIMATIC WinCC
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to improper input validation. A remote attacker can send specially crafted messages to the RPC service of the affected products and cause denial-of-service condition on the remote and local communication functionality.
Mitigation
Install update from vendor's website.
Vulnerable software versions
OpenPCS 7: 7.1 - 9.0
SIMATIC BATCH: 7.1 - 9.0
SIMATIC NET PC Software: All versions
SIMATIC PCS 7: 7.1 - 9.0
SIMATIC Route Control: 7.1 - 9.0
SIMATIC WinCC Runtime Professional: 13.0 - 14.0
Siemens SIMATIC WinCC: 7.0 - 7.4
External links
http://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.