A vulnerability was found in Ruijie RG-EW1200G 1.0(1)B1P5. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /api/sys/set_passwd of the component Administrator Password Handler. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-236185 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
The CVSS score of this vulnerability is 6.3, indicating a medium severity level. The attack vector is network-based with low complexity, requiring low privileges and no user interaction. The potential impacts on confidentiality, integrity, and availability are categorized as low.
Risk to organizations includes unauthorized access to administrative functionalities, which could lead to further exploitation of the system. Given the publicly disclosed exploit, organizations should prioritize patching immediately.
This vulnerability has been marked as actively exploitable, and organizations must take immediate steps to assess their exposure and implement necessary mitigations.
Organizations should consider engaging in penetration testing to validate the effectiveness of their remediation efforts.
Vulnerability Details
The vulnerability identified as CVE-2023-4169 affects the Ruijie RG-EW1200G firmware version 1.0(1)B1P5. The official CVE description highlights the improper access controls associated with the file /api/sys/set_passwd. The CWE classification is CWE-284, indicating an issue with improper access control.
The CVSS version 3.1 score of 6.3 reflects a medium severity level, with the primary vector being network-based attacks. The potential impacts include low confidentiality, integrity, and availability.
Technical Analysis
The root cause of this vulnerability lies in improper access controls within the Administrator Password Handler functionality. Attackers can exploit this vulnerability remotely due to the network attack vector, and the low complexity of the attack means that minimal effort is required to execute it.
The privileges required to exploit this vulnerability are low, and user interaction is not required, making it particularly dangerous. The impacts on confidentiality, integrity, and availability are categorized as low, which means that even though the immediate effects may seem limited, the potential for escalation exists.
Risk & Impact Analysis
The real-world risk associated with this vulnerability is significant, as it allows unauthorized access to sensitive administrative functionalities. Organizations using the affected firmware are at risk of exploitation, which could compromise the security of their networks.
This vulnerability increases the blast radius for attackers, particularly if they can leverage it to gain further access to internal systems. Urgency for remediation is high, and organizations should implement patches or workarounds as soon as they are available.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects Ruijie RG-EW1200G firmware version 1.0(1)B1P5. Organizations using this version should prioritize upgrading to a patched version as soon as it becomes available.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest firmware updates provided by Ruijie. If a patch is not immediately available, organizations can implement workarounds by restricting access to the affected API endpoints.
For ongoing security, organizations may want to engage in penetration testing to identify and remediate any similar vulnerabilities in their systems.
Detection Guidance
Organizations should monitor logs for any unauthorized access attempts to the /api/sys/set_passwd endpoint. Behavioral anomalies or unexpected changes in user privileges should also be flagged for further investigation.
AppSecure Threat Intelligence Insight
This vulnerability represents a broader trend in network devices where improper access controls can lead to significant security risks. Organizations must be vigilant and adopt best practices for securing administrative interfaces.
Lessons learned from this incident reinforce the necessity of implementing robust access controls and regular security assessments. Continuous monitoring and vulnerability management should be integral parts of an organization's security strategy.
As part of a proactive security framework, organizations should consider engaging in red teaming exercises to uncover potential vulnerabilities before they can be exploited.
Organizations should also be aware of the importance of application security assessments to identify and remediate weaknesses in their software and systems.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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