CVE-2021-1946 Explained : Impact and Mitigation
Understand CVE-2021-1946 impacting Qualcomm products. Learn about the Null Pointer Dereference issue, its criticality, affected software versions, and mitigation steps.
This article provides insight into CVE-2021-1946, a critical vulnerability found in Qualcomm products leading to a Null Pointer Dereference issue. It discusses the impact, technical details, and mitigation strategies.
Understanding CVE-2021-1946
CVE-2021-1946 is a vulnerability affecting various Qualcomm products due to improper validation while processing crafted SDP body, potentially leading to a Null Pointer Dereference.
What is CVE-2021-1946?
The CVE-2021-1946 vulnerability is categorized under Null Pointer Dereference in Data Modem, impacting Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Mobile products by Qualcomm.
The Impact of CVE-2021-1946
The vulnerability carries a CVSS base score of 9.8 (Critical) with high confidentiality, integrity, and availability impacts. It could be exploited remotely without user interaction.
Technical Details of CVE-2021-1946
CVE-2021-1946 involves improper validation leading to a Null Pointer Dereference when processing a specifically crafted SDP body. The affected Qualcomm products include a wide range of versions.
Vulnerability Description
Null Pointer Dereference may occur due to improper validation while processing a crafted SDP body in Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Mobile products.
Affected Systems and Versions
The vulnerability impacts a broad range of Qualcomm products, including Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Mobile, with various affected versions listed.
Exploitation Mechanism
The vulnerability can be exploited over the network with a low attack complexity. It requires no privileges and can have severe consequences on the confidentiality, integrity, and availability of the affected systems.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-1946, immediate action and long-term security measures are essential.
Immediate Steps to Take
It is crucial to apply the patches provided by Qualcomm promptly to address the vulnerability. Additionally, network security measures can help reduce the risk of exploitation.
Long-Term Security Practices
Regular security updates, monitoring for unusual network activity, and restricting network access can enhance the long-term security posture of affected systems.
Patching and Updates
Stay informed about security bulletins from Qualcomm and ensure timely installation of patches to protect the systems from potential exploitation.