CVE-2021-35094 : Exploit Details and Defense Strategies
Learn about CVE-2021-35094, an improper verification flaw in Qualcomm Snapdragon products allowing unauthorized access. Includes impact, affected systems, and mitigation steps.
This article provides details about CVE-2021-35094, an improper verification vulnerability affecting Qualcomm Snapdragon series products.
Understanding CVE-2021-35094
CVE-2021-35094 is an improper verification of timeout-based authentication in identity credential that can lead to invalid authorization in HLOS across various Qualcomm Snapdragon products.
What is CVE-2021-35094?
The vulnerability in Qualcomm Snapdragon products allows attackers to bypass authentication mechanisms, potentially resulting in unauthorized access to sensitive information.
The Impact of CVE-2021-35094
The impact of this vulnerability is rated as HIGH severity with a CVSS base score of 7.8. It can lead to unauthorized access, data tampering, and denial of service attacks.
Technical Details of CVE-2021-35094
This section covers specific technical details related to CVE-2021-35094.
Vulnerability Description
The vulnerability arises from improper verification of timeout-based authentication, enabling attackers to bypass security controls in HLOS of affected Qualcomm Snapdragon products.
Affected Systems and Versions
Qualcomm Snapdragon products including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, and Snapdragon Mobile are impacted. A wide range of versions are affected across these product lines.
Exploitation Mechanism
Attack complexity is low, requiring local access with low privileges. The exploit does not require user interaction and can lead to severe impacts on confidentiality, integrity, and availability.
Mitigation and Prevention
Protecting against CVE-2021-35094 involves immediate actions and long-term security measures.
Immediate Steps to Take
Users are advised to apply security patches provided by Qualcomm and follow best security practices to prevent unauthorized access.
Long-Term Security Practices
Implementing strong authentication mechanisms, regular security audits, and monitoring can enhance overall security posture.
Patching and Updates
Regularly update and patch affected devices with the latest firmware and software releases to mitigate the risk of exploitation.