CVE-2021-33175 : What You Need to Know
Discover how CVE-2021-33175 affects EMQ X Broker versions earlier than 4.2.8, allowing attackers to launch denial of service attacks. Learn mitigation steps to protect your systems.
EMQ X Broker versions prior to 4.2.8 are vulnerable to a denial of service attack due to excessive memory consumption from handling untrusted inputs. Learn about the impact, technical details, and mitigation steps below.
Understanding CVE-2021-33175
This section provides insights into the CVE-2021-33175 vulnerability affecting EMQ X Broker.
What is CVE-2021-33175?
CVE-2021-33175 relates to a denial of service vulnerability in EMQ X Broker versions earlier than 4.2.8. The flaw enables attackers to exhaust system memory by manipulating untrusted inputs.
The Impact of CVE-2021-33175
The vulnerability allows malicious actors to initiate a denial of service attack, leading to excessive memory usage and application termination by the operating system.
Technical Details of CVE-2021-33175
Explore the technical aspects of the CVE-2021-33175 vulnerability below.
Vulnerability Description
EMQ X Broker versions prior to 4.2.8 exhibit a susceptibility to denial of service attacks due to uncontrolled memory consumption induced by handling untrusted inputs.
Affected Systems and Versions
The vulnerability impacts EMQ X Broker versions lower than 4.2.8.
Exploitation Mechanism
Cybercriminals can exploit this vulnerability by sending crafted untrusted inputs to trigger the excessive memory consumption, resulting in service disruption.
Mitigation and Prevention
Discover recommended strategies to mitigate the risks associated with CVE-2021-33175 below.
Immediate Steps to Take
Users should update EMQ X Broker to version 4.2.8 or above to safeguard against this vulnerability. It is crucial to monitor system memory usage for any unusual spikes that could indicate an ongoing attack.
Long-Term Security Practices
Employ secure coding practices and consider input validation mechanisms when developing applications to prevent similar vulnerabilities. Regular security assessments and audits can help identify and address potential risks.
Patching and Updates
Stay informed about security patches and updates released by EMQ Technologies. Timely installation of patches can ensure that your systems are protected from known vulnerabilities.