CVE-2020-5680 in EC-CUBE
Summary
by MITRE • 12/03/2020
Improper input validation vulnerability in EC-CUBE versions from 3.0.5 to 3.0.18 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vector.
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Analysis
by VulDB Data Team • 12/12/2020
The CVE-2020-5680 vulnerability represents a critical improper input validation flaw within the EC-CUBE e-commerce platform ecosystem. This vulnerability affects versions ranging from 3.0.5 through 3.0.18, creating a significant security risk for organizations relying on this web application framework. The vulnerability classification aligns with CWE-20, which specifically addresses improper input validation as a fundamental software weakness that can lead to various security consequences including denial-of-service conditions. The affected EC-CUBE platform, widely used for online retail operations, presents an attractive target for malicious actors seeking to disrupt business operations through service interruption attacks.
The technical nature of this vulnerability stems from insufficient validation mechanisms within the input processing pipeline of the EC-CUBE application. Attackers can exploit this weakness by crafting specially formatted inputs that bypass normal validation checks, potentially leading to resource exhaustion or application instability. While the exact vector remains unspecified in the CVE description, such improper input validation typically manifests through manipulation of form fields, API endpoints, or parameter inputs that are not adequately sanitized before processing. The vulnerability operates at the application layer, making it particularly dangerous as it can be exploited remotely without requiring authentication or elevated privileges. This characteristic places the vulnerability within the ATT&CK framework's T1499 category, specifically targeting network denial of service techniques that can disrupt availability of services.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire e-commerce infrastructure. Organizations using affected EC-CUBE versions face significant business risks including revenue loss during service outages, customer trust degradation, and potential regulatory compliance violations. The denial-of-service condition can manifest in various forms including complete application unavailability, partial service degradation, or resource exhaustion that prevents legitimate users from accessing the platform. Attackers may leverage this vulnerability to perform sustained attacks that maintain system instability over extended periods, creating prolonged business disruption that can be particularly damaging for e-commerce operations where uptime directly correlates with revenue generation.
Mitigation strategies for CVE-2020-5680 should prioritize immediate remediation through official patches provided by EC-CUBE developers, as this represents a known vulnerability requiring urgent attention. Organizations should implement comprehensive input validation controls at multiple layers including application-level sanitization, web application firewall rules, and network-level filtering to prevent exploitation attempts. The implementation of proper error handling mechanisms and resource monitoring systems can help detect and respond to exploitation attempts before they escalate into full denial-of-service conditions. Additionally, organizations should conduct thorough vulnerability assessments to identify any custom modifications or third-party integrations that might be susceptible to similar input validation weaknesses. Security teams should establish incident response procedures specifically addressing denial-of-service attacks and maintain regular communication with EC-CUBE security advisories to stay informed about related vulnerabilities and best practices for protecting e-commerce platforms against such threats.