CVE-2021-25417 in SDP SDK
Summary
by MITRE • 06/11/2021
Improper authorization in SDP SDK prior to SMR JUN-2021 Release 1 allows access to internal storage.
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Analysis
by VulDB Data Team • 06/14/2021
The vulnerability identified as CVE-2021-25417 represents a critical authorization flaw within the Software Development Kit (SDK) for SDP products, specifically affecting versions prior to the SMR JUN-2021 Release 1. This issue falls under the broader category of improper access control mechanisms, which are systematically categorized under CWE-285 in the Common Weakness Enumeration framework. The vulnerability manifests as a failure in the SDK to properly validate and enforce authorization checks when accessing internal storage components, creating a pathway for unauthorized entities to gain access to sensitive data and system resources that should remain restricted.
The technical implementation of this flaw stems from inadequate input validation and insufficient privilege checking within the SDK's storage access routines. When applications utilize the affected SDK components to interact with internal storage systems, the authorization mechanisms fail to properly verify whether the requesting entity possesses the necessary permissions to access specific storage locations. This weakness allows attackers to bypass normal access controls and directly access internal storage areas that contain confidential information, potentially including user data, system configurations, or proprietary application assets. The vulnerability is particularly concerning because it operates at the SDK level, meaning that any application built using this component could be susceptible to unauthorized data access regardless of the application's own security measures.
The operational impact of CVE-2021-25417 extends beyond simple data exposure, as it can enable more sophisticated attack vectors including data exfiltration, system reconnaissance, and potential privilege escalation within affected environments. Attackers leveraging this vulnerability can systematically enumerate internal storage components, access sensitive files, and potentially modify or delete critical data. This flaw particularly affects organizations deploying applications that rely on the affected SDP SDK, as the vulnerability exists in the foundational development tools rather than in the final deployed applications. The implications are significant for compliance requirements, as unauthorized access to internal storage can result in violations of data protection regulations and security standards such as those outlined in the NIST Cybersecurity Framework and ISO 27001 requirements.
Mitigation strategies for this vulnerability require immediate action to upgrade to the patched SMR JUN-2021 Release 1 or later versions of the SDK, as this represents the official vendor-provided fix for the authorization bypass issue. Organizations should also implement comprehensive application security testing including dynamic and static analysis to identify any applications still utilizing the vulnerable SDK components. Additionally, security teams should conduct thorough inventory assessments to identify all applications that may be impacted by this vulnerability, particularly those that handle sensitive data or operate in regulated environments. The remediation process should include code reviews to ensure proper authorization implementation and access control enforcement throughout the application stack, aligning with ATT&CK framework techniques related to privilege escalation and credential access. Organizations should also consider implementing network segmentation and monitoring controls to detect potential exploitation attempts and establish incident response procedures specifically addressing unauthorized storage access scenarios.