#VU17655 Input validation error in SIMATIC S7-300 - CVE-2018-16561
Published: February 13, 2019
Vulnerability identifier: #VU17655
Vulnerability risk: Low
CVSSv4.0: 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-2018-16561
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMATIC S7-300
SIMATIC S7-300
Software vendor:
Siemens
Siemens
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 a specially crafted S7 communication packet to a communication interface of the CPU and cause a denial-of-service condition of the core functionality of the CPU.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted S7 communication packet to a communication interface of the CPU and cause a denial-of-service condition of the core functionality of the CPU.
Remediation
Update to version 3.X.16.