CVE-2022-47635 in WMS
Summary
by MITRE • 12/21/2022
Wildix WMS 6 before 6.02.20221216, WMS 5 before 5.04.20221214, and WMS4 before 4.04.45396.23 allows Server-side request forgery (SSRF) via ZohoClient.php.
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Analysis
by VulDB Data Team • 04/17/2025
The vulnerability identified as CVE-2022-47635 affects Wildix WMS versions prior to specific patch releases, presenting a critical server-side request forgery flaw that can be exploited to bypass security controls and access internal resources. This vulnerability resides within the ZohoClient.php component, which serves as an interface for integrating with Zoho services within the Wildix communication platform ecosystem. The flaw enables attackers to manipulate server-side requests through crafted inputs that are processed by the ZohoClient.php script, potentially allowing unauthorized access to internal systems that would normally be protected by network segmentation and firewall rules.
The technical implementation of this SSRF vulnerability stems from insufficient input validation and sanitization within the ZohoClient.php file, which fails to properly validate or restrict the URLs or endpoints that can be requested by the server. This weakness allows an attacker to construct malicious requests that can target internal network services, databases, or other sensitive systems that are not directly exposed to external networks. The vulnerability is particularly dangerous because it can be exploited without requiring authentication to the target system, as the server itself makes the malicious requests on behalf of the attacker. This characteristic aligns with CWE-918, which categorizes server-side request forgery vulnerabilities where an attacker can manipulate the target of a server-side request to access internal resources that should remain isolated from external access.
The operational impact of this vulnerability extends beyond simple data exfiltration, as it can enable attackers to perform reconnaissance activities against internal network infrastructure, potentially leading to privilege escalation or lateral movement within the organization's network. Attackers could leverage this vulnerability to access internal databases, system management interfaces, or other sensitive services that are typically protected by firewalls and network segmentation. The vulnerability affects multiple versions of the Wildix WMS platform, indicating a widespread exposure across different product lines and suggesting that organizations using these systems may be at risk regardless of their specific version deployment. This vulnerability can be exploited through various attack vectors including web application interfaces, API endpoints, or even through social engineering techniques that prompt users to interact with maliciously crafted links that trigger the vulnerable code path.
Mitigation strategies for CVE-2022-47635 should focus on immediate patching of affected systems to the latest versions that contain the necessary security fixes. Organizations should implement network-level controls such as firewalls and network segmentation to limit access to internal resources and prevent unauthorized outbound connections from the affected systems. Input validation and sanitization measures should be strengthened to prevent malicious URLs from being processed by the ZohoClient.php component, with particular attention to ensuring that all external requests are properly validated against a whitelist of trusted domains. Additionally, organizations should consider implementing web application firewalls and runtime application self-protection mechanisms to detect and block suspicious requests that attempt to exploit this vulnerability. The ATT&CK framework categorizes this type of vulnerability under T1190 - Proxying, where attackers use compromised systems to route their traffic through internal networks, and T1071.004 - Application Layer Protocol: DNS, which can be relevant when attackers attempt to use DNS resolution as part of their exploitation process to map internal network resources.
The vulnerability demonstrates the importance of secure coding practices and proper input validation in preventing server-side request forgery attacks, particularly when integrating third-party services into enterprise applications. Organizations should conduct regular security assessments and penetration testing to identify similar vulnerabilities in their systems, as this type of flaw often indicates broader security weaknesses in input handling and network architecture. The affected versions of Wildix WMS represent a significant security risk that requires immediate attention from system administrators and security teams to prevent potential compromise of sensitive organizational data and infrastructure.