Improper input validation in Siemens products - CVE-2018-13805
Published: October 9, 2018 / Updated: October 10, 2018
Vulnerability identifier: #VU15304
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-13805
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SIMATIC ET 200SP Open Controller
SIMATIC S7-1500 Software Controller
SIMATIC S7-1500 CPU
SIMATIC ET 200SP Open Controller
SIMATIC S7-1500 Software Controller
SIMATIC S7-1500 CPU
Detailed vulnerability 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 a large number of specially crafted packets to the PLC and cause the PLC to lose its ability to communicate over the network.
How to mitigate CVE-2018-13805
Update to version 2.5.