Improper input validation in Siemens products - CVE-2018-16557
Published: November 14, 2018
Vulnerability identifier: #VU15892
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16557
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
SIMATIC S7-410
SIMATIC S7-400
SIMATIC S7-400 PN/DP V7
SIMATIC S7-400 H
SIMATIC S7-400
SIMATIC S7-400 PN/DP V7
SIMATIC S7-400 H
How to mitigate CVE-2018-16557
Install update from vendor's website.