CVE-2018-11466
9.8 · CRITICALOverview
CVE-2018-11466 is a critical-severity vulnerability affecting siemens sinumerik_808d_v4.7_firmware. It was published on December 12, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. 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 SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). Specially crafted network packets sent to port 102/tcp (ISO-TSAP) could allow a remote attacker to either cause a Denial-of-Service condition of the integrated software firewall or allow to execute code in the context of the software firewall. The security vulnerability could be exploited by an attacker with network access to the affected systems on port 102/tcp. Successful exploitation requires no user privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known
Remediation
Check the references section for vendor advisories and patches from siemens. Update sinumerik_808d_v4.7_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 | sinumerik_840d_sl_v4.7_firmware | 0 | Affected |
| siemens | sinumerik_840d_sl_v4.8_firmware | 0 | Affected |
| siemens | sinumerik_828d_v4.7_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2018-11466?
CVE-2018-11466 is a critical-severity vulnerability affecting siemens sinumerik_808d_v4.7_firmware. It was published on December 12, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-11466?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-11466?
Check the references section for vendor advisories and patches from siemens. Update sinumerik_808d_v4.7_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-2018-11466?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-11466 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.
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