Resource exhaustion in SIMATIC S7-1200 and SIMATIC S7-1500 CPU - CVE-2018-13815
Published: November 13, 2018 / Updated: November 14, 2018
Vulnerability identifier: #VU15890
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-13815
CWE-ID: CWE-400
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 resource exhaustion. A remote attacker can send packets to Port 102/TCP, exhaust the available connection pool by opening a sufficient number of connections to the device and cause the service to crash.
Affected software
SIMATIC S7-1200
SIMATIC S7-1500 CPU
SIMATIC S7-1500 CPU
How to mitigate CVE-2018-13815
The vulnerability has been fixed in the version 2.6.
SIMATIC S7-1200 - update to 2.6
SIMATIC S7-1500 CPU - update to 2.6
SIMATIC S7-1500 CPU - update to 2.6