Vulnerability identifier: #VU15892
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:
SIMATIC S7-410
Hardware solutions /
Firmware
SIMATIC S7-400
Hardware solutions /
Firmware
SIMATIC S7-400 PN/DP V7
Server applications /
SCADA systems
SIMATIC S7-400 H
Server applications /
SCADA systems
Vendor: Siemens
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to an error when processing malicious input. A remote attacker can send specially crafted packets to Port 102/TCP via Ethernet interface via PROFIBUS or MPI and cause the affected devices to crash.
Mitigation
Install update from vendor's website.
Vulnerable software versions
SIMATIC S7-410: All versions
SIMATIC S7-400 PN/DP V7: All versions
SIMATIC S7-400 H: All versions
SIMATIC S7-400: All versions
External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-317-02
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.