CVE-2020-9692 in Magento
Summary
by MITRE
Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
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Analysis
by VulDB Data Team • 11/06/2020
The vulnerability identified as CVE-2020-9692 represents a critical security mitigation bypass in Magento e-commerce platforms that affects versions 2.3.5-p1 and earlier across both major release lines. This flaw resides within the platform's security architecture and specifically targets the validation mechanisms that should prevent unauthorized code execution. The vulnerability stems from insufficient input sanitization and validation processes that fail to properly restrict malicious payloads from being processed through the application's core components.
The technical implementation of this vulnerability involves a bypass of the security controls that normally would prevent arbitrary code execution through user-controllable input parameters. Attackers can exploit this weakness by crafting specially formatted requests that circumvent the intended validation checks, allowing malicious code to be executed within the application context. The flaw typically manifests when the platform processes user-supplied data through internal functions that do not adequately verify the integrity and legitimacy of the submitted content. This bypass mechanism operates at the application layer and can be exploited through various attack vectors including file uploads, form submissions, and API endpoints that handle user input.
The operational impact of CVE-2020-9692 extends beyond simple privilege escalation as it provides attackers with full arbitrary code execution capabilities on affected Magento installations. This vulnerability creates a persistent backdoor that allows threat actors to gain complete control over the compromised systems, potentially leading to data breaches, service disruption, and unauthorized access to sensitive customer information. The vulnerability's severity is amplified by the widespread adoption of Magento platforms, making the potential attack surface extremely large. Organizations running affected versions face significant risk of unauthorized access, data exfiltration, and system compromise that could result in substantial financial and reputational damage.
Security mitigations for this vulnerability should focus on immediate version upgrades to patched releases of Magento 2.3.5-p2 or later, as these contain the necessary security patches to address the validation bypass mechanism. Additionally, organizations should implement network-level restrictions to limit access to administrative interfaces and API endpoints, while also deploying web application firewalls to monitor and filter suspicious requests. The mitigation strategy should include comprehensive input validation controls and regular security assessments to identify potential bypass opportunities. This vulnerability aligns with CWE-20, which describes improper input validation, and maps to ATT&CK techniques related to command and control, privilege escalation, and execution through application layer attacks. Organizations must also consider implementing robust monitoring solutions to detect anomalous execution patterns that could indicate exploitation attempts.