CVE-2021-42027
7.4 · HIGHOverview
CVE-2021-42027 is a high-severity vulnerability affecting siemens sinumerik_edge. It was published on December 14, 2021 and has a CVSS 3.1 base score of 7.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.4, 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 Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.
Remediation
Check the references section for vendor advisories and patches from siemens. Update sinumerik_edge 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_edge | >= 0, < 3.2 | Affected |
Frequently Asked Questions
What is CVE-2021-42027?
CVE-2021-42027 is a high-severity vulnerability affecting siemens sinumerik_edge. It was published on December 14, 2021 and has a CVSS 3.1 base score of 7.4 (HIGH).
How severe is CVE-2021-42027?
This vulnerability has a CVSS 3.1 base score of 7.4, 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-2021-42027?
Check the references section for vendor advisories and patches from siemens. Update sinumerik_edge 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-2021-42027?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42027 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
AI agents map your attack surface to find vulnerabilities like this one.
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