CVE-2021-30279 : Exploit Details and Defense Strategies
Learn about CVE-2021-30279 impacting Qualcomm products. Explore the access control violation vulnerability and its high severity impact. Find mitigation steps and patching recommendations.
Qualcomm, Inc. has reported a vulnerability, CVE-2021-30279, affecting multiple products. The issue could lead to a possible access control violation due to improper permission masking in various Qualcomm Snapdragon platforms.
Understanding CVE-2021-30279
This section provides insights into the nature of the CVE and its potential impact.
What is CVE-2021-30279?
The CVE-2021-30279 vulnerability involves a potential access control violation during the setting of current permissions for VMIDs. It arises from improper permission masking within Qualcomm Snapdragon Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, and Wired Infrastructure products.
The Impact of CVE-2021-30279
The vulnerability carries a CVSS v3.1 base score of 7.8, categorizing it as high severity. With low attack complexity and local attack vector, the flaw can have a significant impact on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-30279
Explore the specifics of the vulnerability in this section.
Vulnerability Description
The vulnerability stems from a flaw in access control mechanisms, potentially allowing unauthorized access to sensitive data and system resources.
Affected Systems and Versions
Notable affected products include AR8035, QCA6390, QCS2290, SD865 5G, and many more across different Qualcomm Snapdragon segments.
Exploitation Mechanism
Attackers with low privileges can exploit this vulnerability locally to manipulate permissions and potentially gain unauthorized access.
Mitigation and Prevention
Discover the necessary steps to address and mitigate the CVE-2021-30279 vulnerability.
Immediate Steps to Take
It is crucial to apply patches and security updates provided by Qualcomm promptly to remediate the vulnerability and prevent exploitation.
Long-Term Security Practices
Implementing robust access control policies, regular security audits, and employee training on secure coding practices can enhance overall system security.
Patching and Updates
Stay informed about security bulletins and updates from Qualcomm to ensure timely application of patches for protection against known vulnerabilities.