CVE-2021-37151 Explained : Impact and Mitigation
Learn about CVE-2021-37151 affecting CyberArk Identity 21.5.131, allowing attackers to enumerate valid usernames, potentially leading to unauthorized access. Find mitigation steps here.
CyberArk Identity 21.5.131 is affected by a vulnerability that may disclose the validity of a username, potentially leading to username enumeration attacks. Attackers could leverage this information to launch brute-force attacks and access valid account details.
Understanding CVE-2021-37151
This section provides insights into the impact and technical details of the CVE.
What is CVE-2021-37151?
The vulnerability in CyberArk Identity version 21.5.131 may reveal whether a username is valid during authentication attempts, allowing attackers to identify legitimate usernames and target them for attacks.
The Impact of CVE-2021-37151
The vulnerability enables username enumeration, where attackers can differentiate between valid and invalid usernames, paving the way for brute-force and dictionary attacks to obtain sensitive user information.
Technical Details of CVE-2021-37151
Explore the specific technical aspects of the CVE.
Vulnerability Description
The issue in CyberArk Identity 21.5.131 can disclose username validity through API responses, facilitating username enumeration and subsequent malicious activities.
Affected Systems and Versions
CyberArk Identity version 21.5.131 is affected by this vulnerability, potentially impacting systems relying on this specific version for identity management.
Exploitation Mechanism
Attackers exploit the vulnerability by analyzing the length of API responses, distinguishing between valid and invalid user responses, and utilizing this information for targeted attacks.
Mitigation and Prevention
Discover the steps to mitigate the risks posed by CVE-2021-37151.
Immediate Steps to Take
Organizations should apply relevant patches provided by CyberArk or implement alternative security measures to address the username enumeration vulnerability in CyberArk Identity 21.5.131.
Long-Term Security Practices
Enhancing overall security practices, including implementing strong access controls, monitoring for unusual activities, and conducting regular security assessments, can help prevent similar vulnerabilities in the long term.
Patching and Updates
Regularly monitor for security updates from CyberArk and promptly apply patches to ensure system security and protect against potential threats.