CVE-2023-49621
9.8 · CRITICALOverview
CVE-2023-49621 is a critical-severity vulnerability affecting siemens simatic_cn_4100_firmware. It was published on January 9, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 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 SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.
Remediation
Check the references section for vendor advisories and patches from siemens. Update simatic_cn_4100_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 | simatic_cn_4100_firmware | >= 0, < 2.7 | Affected |
Frequently Asked Questions
What is CVE-2023-49621?
CVE-2023-49621 is a critical-severity vulnerability affecting siemens simatic_cn_4100_firmware. It was published on January 9, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-49621?
This vulnerability has a CVSS 3.1 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-2023-49621?
Check the references section for vendor advisories and patches from siemens. Update simatic_cn_4100_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-2023-49621?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-49621 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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