CVE-2023-4415 in RG-EW1200G
Summary
by MITRE • 08/18/2023
A vulnerability was found in Ruijie RG-EW1200G 07161417 r483. It has been rated as critical. Affected by this issue is some unknown functionality of the file /api/sys/login. The manipulation leads to improper authentication. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-237518 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 09/13/2023
The vulnerability identified as CVE-2023-4415 affects the Ruijie RG-EW1200G 07161417 r483 wireless access point device, representing a critical security flaw in the authentication mechanism of the system. This issue resides within the /api/sys/login endpoint, which serves as a crucial interface for user authentication and system access control. The vulnerability stems from improper authentication handling that allows unauthorized access to the device's administrative functions. The attack vector is remote, meaning malicious actors can exploit this weakness without physical access to the device, making it particularly dangerous for network infrastructure deployments. The vulnerability's classification as critical indicates severe implications for system security and potential for widespread exploitation given its public disclosure status.
The technical flaw manifests in the improper handling of authentication requests within the API endpoint, likely through insufficient validation of user credentials or flawed session management mechanisms. This weakness enables attackers to bypass normal authentication procedures and gain administrative access to the wireless access point. The vulnerability's exploitation capability has been confirmed through public disclosure, with VDB-237518 serving as the assigned identifier for tracking and mitigation purposes. The lack of vendor response despite early notification suggests potential gaps in the security community's engagement with this specific device manufacturer, leaving affected organizations without official patches or updates to address the issue.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially allowing attackers to modify network configurations, intercept communications, or establish persistent access points within the network infrastructure. The wireless access point serves as a critical network component, and compromise of this device could lead to broader network infiltration and lateral movement by threat actors. The remote exploit capability means that attackers can target these devices from anywhere on the internet, making them attractive targets for large-scale attacks against organizations with multiple deployments. This vulnerability directly relates to CWE-287, which addresses improper authentication issues in software systems, and aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting through network infrastructure.
Organizations affected by this vulnerability should immediately implement network segmentation to isolate these devices from critical network segments, disable unnecessary services, and consider implementing network monitoring to detect anomalous authentication attempts. The lack of vendor response necessitates proactive mitigation strategies including firmware updates if available through third-party sources, network access control lists to restrict API endpoint access, and regular security audits of network infrastructure. Implementation of strong authentication mechanisms, including multi-factor authentication where possible, and regular security assessments of network devices can help reduce the attack surface. Additionally, network administrators should monitor for suspicious network traffic patterns that might indicate exploitation attempts and maintain detailed logs for forensic analysis in case of compromise. The vulnerability highlights the importance of vendor security response protocols and the need for organizations to maintain security awareness regarding public disclosure of critical vulnerabilities.