CVE-2021-3523 : Security Advisory and Response
Learn about CVE-2021-3523, a vulnerability in 3Scale APICast versions prior to 2.11.0 that allows attackers to bypass security restrictions for API requests. Understand the impact, technical details, and mitigation steps.
A flaw was found in 3Scale APICast in versions prior to 2.11.0, allowing attackers to bypass security restrictions for API requests.
Understanding CVE-2021-3523
This CVE pertains to a vulnerability in 3Scale APICast versions prior to 2.11.0 that incorrectly identifies connections for reuse, leading to a security bypass.
What is CVE-2021-3523?
CVE-2021-3523 is a vulnerability in 3Scale APICast versions before 2.11.0 that enables attackers to circumvent security measures for API requests when multiple APIs are hosted on the same IP address.
The Impact of CVE-2021-3523
The impact of this vulnerability is significant as it allows malicious actors to exploit the flaw and potentially gain unauthorized access to API functionalities, posing a risk to data confidentiality and integrity.
Technical Details of CVE-2021-3523
This section covers specific technical details related to CVE-2021-3523.
Vulnerability Description
The vulnerability in 3Scale APICast versions earlier than 2.11.0 incorrectly manages connections, enabling attackers to evade security controls for API requests.
Affected Systems and Versions
3Scale APICast versions prior to 2.11.0 are affected by this vulnerability, making systems with these versions susceptible to security breaches.
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging the incorrect connection handling in 3Scale APICast, allowing them to bypass security restrictions and launch unauthorized API requests.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-3523, immediate steps must be taken to enhance security measures.
Immediate Steps to Take
An immediate step to mitigate this vulnerability is to update 3Scale APICast to version 2.11.0 or newer to address the incorrect connection reuse issue.
Long-Term Security Practices
In the long term, organizations should prioritize regular security assessments, adhere to secure coding practices, and stay informed about potential vulnerabilities in their software stack.
Patching and Updates
Regularly applying security patches and updates to 3Scale APICast is crucial to ensuring that known vulnerabilities are remediated, reducing the risk of exploitation.