CVE-2018-11452
7.5 · HIGHOverview
CVE-2018-11452 is a high-severity vulnerability affecting siemens dnp3_tcp_firmware. It was published on July 23, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module (All versions < V4.33), Firmware variant PROFINET IO for EN100 Ethernet module (All versions), Firmware variant Modbus TCP for EN100 Ethernet module (All versions), Firmware variant DNP3 TCP for EN100 Ethernet module (All versions), Firmware variant IEC104 for EN100 Ethernet module (All versions < V1.22). Specially crafted packets to port 102/tcp could cause a denial-of-service condition in the EN100 communication module if oscillographs are running. A manual restart is required to recover the EN100 module functionality. Successful exploitation requires an attacker with network access to send multiple packets to the EN100 module. As a precondition the IEC 61850-MMS communication needs to be activated on the affected EN100 modules. No user interaction or privileges are required to exploit the security vulnerability. The vulnerability could allow causing a Denial-of-Service condition of the networ
Remediation
Check the references section for vendor advisories and patches from siemens. Update dnp3_tcp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| siemens | iec_61850_firmware | >= 0, < 4.33 | Affected |
| siemens | cp100_firmware | >= 0, < 7.80 | Affected |
| siemens | cp300_firmware | >= 0, < 7.80 | Affected |
References
Frequently Asked Questions
What is CVE-2018-11452?
CVE-2018-11452 is a high-severity vulnerability affecting siemens dnp3_tcp_firmware. It was published on July 23, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-11452?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-11452?
Check the references section for vendor advisories and patches from siemens. Update dnp3_tcp_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-11452?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-11452 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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