Input validation error in SIMATIC S7-1500 CPU - CVE-2018-16558
Published: February 6, 2019
Vulnerability identifier: #VU17385
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-16558
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SIMATIC S7-1500 CPU
SIMATIC S7-1500 CPU
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted network packets to Port 80/tcp or 443/tcp and cause a denial of service on the device.
How to mitigate CVE-2018-16558
Update to version 2.5 or later.