CVE-2018-11457
8.1 · HIGHOverview
CVE-2018-11457 is a high-severity vulnerability affecting siemens sinumerik_828d_v4.7_firmware. It was published on December 12, 2018 and has a CVSS 3.0 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.1, 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 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). The integrated web server on port 4842/tcp of the affected products could allow a remote attacker to execute code with privileged permissions on the system by sending specially crafted network requests to port 4842/tcp. Please note that this vulnerability is only exploitable if port 4842/tcp is manually opened in the firewall configuration of network port X130. The security vulnerability could be exploited by an attacker with network access to the affected devices on port 4842/tcp. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the web server. 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_828d_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_828d_v4.7_firmware | 0 | Affected |
| siemens | sinumerik_840d_sl_v4.7_firmware | 0 | Affected |
| siemens | sinumerik_840d_sl_v4.8_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2018-11457?
CVE-2018-11457 is a high-severity vulnerability affecting siemens sinumerik_828d_v4.7_firmware. It was published on December 12, 2018 and has a CVSS 3.0 base score of 8.1 (HIGH).
How severe is CVE-2018-11457?
This vulnerability has a CVSS 3.0 base score of 8.1, 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-2018-11457?
Check the references section for vendor advisories and patches from siemens. Update sinumerik_828d_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-2018-11457?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-11457 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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