Description
FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.
EPSS Score:
1%
Comprehensive Technical Analysis of EUVD-2024-36123
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2024-36123 affects multiple series of FutureNet devices provided by Century Systems Co., Ltd. The vulnerability allows an administrative user to execute arbitrary OS commands, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal complexity.
- Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
- User Interaction (UI): None (N) - No user interaction is required.
- Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
- Confidentiality (C): High (H) - There is a high impact on confidentiality.
- Integrity (I): High (H) - There is a high impact on integrity.
- Availability (A): High (H) - There is a high impact on availability.
2. Potential Attack Vectors and Exploitation Methods
Given the CVSS vector, potential attack vectors include:
- Remote Command Execution: An attacker could exploit the vulnerability to execute arbitrary OS commands on the affected devices. This could lead to unauthorized access, data exfiltration, or further compromise of the network.
- Information Disclosure: Sensitive information could be obtained or altered, leading to data breaches and loss of confidentiality.
- Denial-of-Service (DoS): The vulnerability could be exploited to cause a DoS condition, rendering the device unavailable and disrupting network services.
3. Affected Systems and Software Versions
The vulnerability affects multiple FutureNet series and firmware versions:
- FutureNet NXR-G200 series: Firmware version 9.12.15 and earlier
- FutureNet NXR-1300 series: Firmware version 7.4.9 and earlier
- FutureNet NXR-G100 series: Firmware version 6.23.10 and earlier
- FutureNet NXR-610X series: Firmware version 21.14.11 and earlier
- FutureNet NXR-230/C: Firmware version 5.30.12 and earlier
- FutureNet NXR-1200: Firmware version 5.25.21 and earlier
- FutureNet VXR/x64: Firmware version 21.7.31 and earlier
- FutureNet NXR-G120 series: Firmware version 21.15.2 and earlier
- FutureNet NXR-160/LW: Firmware version 21.8.3 and earlier
- FutureNet NXR-G110 series: Firmware version 21.7.30C and earlier
- FutureNet VXR/x86: Firmware version 10.1.4 and earlier
- FutureNet NXR-350/C: Firmware version 5.30.9 and earlier
- FutureNet NXR-130/C: Firmware version 5.13.21 and earlier
- FutureNet NXR-G050 series: Firmware version 21.12.9 and earlier
- FutureNet NXR-120/C: Firmware version 5.25.7H and earlier
- FutureNet NXR-650: Firmware version 21.16.1 and earlier
- FutureNet NXR-G060 series: Firmware version 21.15.5 and earlier
- FutureNet NXR-125/CX: Firmware version 5.25.7H and earlier
- FutureNet NXR-155/C series: Firmware version 5.22.5M and earlier
- FutureNet NXR-G180/L-CA: Firmware version 21.7.28B and earlier
- FutureNet WXR-250: Firmware version 1.4.7 and earlier
- FutureNet NXR-530: Firmware version 21.11.13 and earlier
4. Recommended Mitigation Strategies
To mitigate the risks associated with this vulnerability, the following strategies are recommended:
- Firmware Updates: Immediately update the firmware of affected devices to the latest versions provided by Century Systems Co., Ltd.
- Network Segmentation: Implement network segmentation to isolate affected devices from critical systems and reduce the attack surface.
- Access Controls: Enforce strict access controls and limit administrative access to trusted personnel only.
- Monitoring and Logging: Implement robust monitoring and logging mechanisms to detect and respond to any suspicious activities.
- Intrusion Detection Systems (IDS): Deploy IDS to identify and alert on potential exploitation attempts.
- Patch Management: Establish a regular patch management process to ensure timely updates and patches are applied.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to organizations using the affected FutureNet devices, particularly in critical infrastructure sectors such as telecommunications, finance, and healthcare. The potential for remote command execution, information disclosure, and DoS attacks could lead to widespread disruptions and data breaches. Organizations in Europe should prioritize addressing this vulnerability to maintain the integrity and security of their networks.
6. Technical Details for Security Professionals
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References: For detailed information, refer to the provided links:
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EPSS Score: The Exploit Prediction Scoring System (EPSS) score of 1 indicates a low likelihood of exploitation in the wild. However, given the critical nature of the vulnerability, organizations should not rely solely on this score and take proactive measures to mitigate the risk.
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CVE Identifier: The vulnerability is also identified as CVE-2024-36491.
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Assigner: The vulnerability was assigned by JPCERT (Japan Computer Emergency Response Team Coordination Center).
By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of exploitation and maintain the security and integrity of their networks.