CVE-2020-9246 in FusionCompute
Summary
by MITRE
FusionCompute 8.0.0 has an information leak vulnerability. A module does not launch strict access control and information protection. Attackers with low privilege can get some extra information. This can lead to information leak.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/22/2020
The vulnerability identified as CVE-2020-9246 resides within Huawei FusionCompute 8.0.0, a virtualization platform designed for enterprise data centers. This information disclosure flaw represents a critical weakness in the system's access control mechanisms, specifically affecting a module that fails to enforce proper security boundaries. The vulnerability stems from inadequate privilege validation and insufficient information protection measures that should normally be implemented to prevent unauthorized data exposure. According to CWE-200, this represents a weakness where information is disclosed to unauthorized actors, creating a pathway for potential attackers to gain insights into system internals that should remain protected. The flaw manifests when low-privileged users can exploit the insufficient access controls to extract sensitive information that would typically be restricted to authorized personnel only.
The technical implementation of this vulnerability demonstrates a failure in the platform's security architecture where proper authentication and authorization checks are either missing or inadequately enforced. The affected module appears to lack the necessary controls to validate user privileges before granting access to sensitive data structures or system information. This weakness creates an information leak scenario where attackers can potentially access configuration details, user credentials, system parameters, or other confidential data that should be protected by the system's access control policies. The vulnerability's impact extends beyond simple information exposure as it can provide attackers with valuable reconnaissance data that may facilitate subsequent attacks. The absence of strict access control mechanisms aligns with ATT&CK technique T1082, where adversaries gather system information to understand the target environment better. The flaw essentially allows for privilege escalation through information gathering rather than direct execution of malicious code.
The operational implications of CVE-2020-9246 are significant for organizations relying on FusionCompute 8.0.0 for their virtualized infrastructure. Attackers exploiting this vulnerability could gain access to critical system information that might reveal network topology, user account details, virtual machine configurations, or other sensitive operational data. This information leakage can enable more sophisticated attacks including targeted exploitation of other system weaknesses, social engineering campaigns, or advanced persistent threat activities. The vulnerability essentially undermines the fundamental security principle of least privilege by allowing unauthorized access to information that should remain confidential. Organizations may experience compliance violations if sensitive data is exposed, particularly in regulated environments where information protection is mandatory. The risk is compounded by the fact that this vulnerability affects a core virtualization platform component, potentially compromising multiple virtual machines and their associated data if attackers can leverage the leaked information to craft more targeted attacks.
Mitigation strategies for this vulnerability should focus on implementing strict access control policies and ensuring proper privilege validation mechanisms are enforced throughout the FusionCompute environment. Organizations should immediately apply the vendor-provided security patches or updates that address the information disclosure weakness in the affected module. Network segmentation and monitoring should be enhanced to detect unusual access patterns that might indicate exploitation attempts. Security teams should conduct comprehensive audits of access controls and privilege assignments to ensure that users only have access to information necessary for their specific roles. Additionally, implementing proper logging and alerting mechanisms around information access attempts can help detect potential exploitation of this vulnerability. The remediation process should include reviewing and strengthening the overall security posture of the virtualization environment, ensuring that similar access control weaknesses are identified and addressed across other components. Regular security assessments and vulnerability scanning should be performed to identify and remediate similar issues that may exist in the broader infrastructure ecosystem.