CVE-2021-22372 in Huawei
Summary
by MITRE • 07/01/2021
There is a Security Features Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may affect service confidentiality.
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Analysis
by VulDB Data Team • 07/04/2021
This vulnerability represents a significant security flaw in Huawei smartphone implementations that compromises the confidentiality of services running on these devices. The issue falls under the category of security feature weaknesses that can be exploited by malicious actors to gain unauthorized access to protected information. Such vulnerabilities are particularly concerning in mobile environments where devices handle sensitive personal and corporate data. The vulnerability affects the fundamental security mechanisms that Huawei employs to protect user information, potentially allowing attackers to bypass established security controls and access confidential services. This weakness demonstrates a critical failure in the device's security architecture that undermines the trust users place in their mobile devices for secure communications and data handling.
The technical nature of this vulnerability stems from inadequate implementation of security features within Huawei's smartphone operating systems or firmware components. Attackers can exploit this weakness to compromise service confidentiality by manipulating the underlying security controls that should protect sensitive data flows. The vulnerability likely resides in cryptographic implementations, access control mechanisms, or secure communication protocols that Huawei employs to protect user services. According to CWE classification, this vulnerability aligns with CWE-119 which deals with insufficient protection of security features, and potentially CWE-311 which addresses the absence of encryption of sensitive data. The exploitation process may involve bypassing authentication mechanisms, manipulating secure communication channels, or exploiting implementation flaws in security protocols that Huawei uses to maintain service confidentiality.
The operational impact of this vulnerability extends beyond individual user privacy concerns to encompass broader security implications for enterprise environments and critical infrastructure. Organizations relying on Huawei smartphones for business operations face potential data breaches that could compromise sensitive corporate information, intellectual property, and confidential communications. The vulnerability creates opportunities for advanced persistent threats to infiltrate networks through mobile endpoints, potentially serving as a foothold for more extensive attacks. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1059 for command and scripting interpreter and T1566 for credential access through social engineering, as attackers can leverage compromised mobile devices to gain broader network access. The attack surface expands significantly when considering that smartphones often serve as primary access points to corporate networks and cloud services.
Mitigation strategies for this vulnerability require comprehensive approaches that address both immediate remediation and long-term security architecture improvements. Organizations should implement immediate patch management procedures to ensure all affected Huawei devices receive security updates from Huawei or through alternative vendor solutions. Network monitoring and endpoint detection systems should be enhanced to identify potential exploitation attempts through unusual network traffic patterns or unauthorized access attempts. Security teams must conduct thorough risk assessments to identify which services and data flows are most vulnerable to this type of attack, prioritizing protection of critical information assets. Regular security audits should verify that security features are properly configured and functioning as intended, with particular attention to cryptographic settings and access control policies. The implementation of multi-factor authentication, secure remote access protocols, and regular security training for personnel can help reduce the overall risk associated with this vulnerability. Additionally, organizations should consider diversifying their mobile device management strategies to reduce dependency on single vendors and maintain alternative secure communication channels for critical operations.