CVE-2021-3749 : Exploit Details and Defense Strategies
Learn about CVE-2021-3749, a vulnerability in axios/axios due to inefficient regular expression complexity, impacting systems with high severity. Find out how to mitigate and prevent exploitation.
A detailed overview of the Inefficient Regular Expression Complexity vulnerability in axios/axios.
Understanding CVE-2021-3749
Inefficient Regular Expression Complexity found in axios/axios can have a significant impact on the security of systems.
What is CVE-2021-3749?
This CVE refers to the vulnerability in axios/axios where the regular expression complexity is inefficient, potentially leading to security breaches.
The Impact of CVE-2021-3749
With a CVSS base score of 7.5 (High Severity), this vulnerability can result in high availability impact for affected systems.
Technical Details of CVE-2021-3749
A detailed look into the vulnerability, affected systems, and exploitation mechanisms.
Vulnerability Description
The vulnerability arises from inefficient regular expression complexity in the axios/axios library.
Affected Systems and Versions
axios/axios version less than or equal to 0.21.1 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by an attacker leveraging low attack complexity over a network.
Mitigation and Prevention
Guidelines to mitigate the risks associated with CVE-2021-3749 and prevent potential exploitation.
Immediate Steps to Take
Update axios/axios to a non-vulnerable version and implement additional security measures.
Long-Term Security Practices
Regularly monitor for security updates in dependencies and follow secure coding practices.
Patching and Updates
Stay informed about security patches and promptly apply updates to mitigate vulnerabilities.