CVE-2021-33120 : What You Need to Know
Learn about CVE-2021-33120, an out-of-bounds read vulnerability impacting Intel Atom(R) Processors. Find out how it may lead to information disclosure or service disruption.
An out-of-bounds read vulnerability exists in the memory subsystem of certain Intel Atom(R) Processors, which could be exploited by an authenticated user to disclose sensitive information or disrupt services through network access.
Understanding CVE-2021-33120
This section provides insights into the nature and impact of the CVE-2021-33120 vulnerability.
What is CVE-2021-33120?
CVE-2021-33120 is an out-of-bounds read vulnerability in the memory subsystem of specific Intel Atom(R) Processors, potentially leading to information disclosure and denial of service attacks when triggered via network access.
The Impact of CVE-2021-33120
The vulnerability poses a significant risk as it could allow an authenticated user to extract sensitive data or disrupt services, making it crucial to address promptly.
Technical Details of CVE-2021-33120
This section outlines the technical aspects of the CVE-2021-33120 vulnerability.
Vulnerability Description
The vulnerability arises due to an out-of-bounds read under complex microarchitectural conditions within the memory subsystem of Intel Atom(R) Processors.
Affected Systems and Versions
The affected systems include Intel Atom(R) Processors, with specific versions susceptible to this vulnerability. Please refer to the provided version details for more information.
Exploitation Mechanism
The vulnerability could be exploited by an authenticated user leveraging network access to trigger the out-of-bounds read and potentially enable information disclosure or denial of service.
Mitigation and Prevention
This section offers guidance on how to mitigate the risks associated with CVE-2021-33120.
Immediate Steps to Take
It is recommended to apply security patches or updates provided by Intel to address the vulnerability promptly and reduce the risk of exploitation.
Long-Term Security Practices
Implementing robust security measures, restricting network access, and ensuring regular system updates can enhance overall cybersecurity posture.
Patching and Updates
Regularly check for security advisories from Intel and apply patches or updates as soon as they are available to protect systems from potential threats.