Learn about CVE-2021-23052, an open redirect vulnerability impacting BIG-IP APM servers. Find out the risks, affected versions, and mitigation strategies here.
This CVE-2021-23052 article provides insight into an open redirect vulnerability in BIG-IP APM virtual servers. It includes information on the impact, technical details, and mitigation strategies.
Understanding CVE-2021-23052
This section delves into the specifics of CVE-2021-23052, highlighting the vulnerability's nature and potential consequences.
What is CVE-2021-23052?
CVE-2021-23052 involves an open redirect vulnerability present in virtual servers running BIG-IP APM access policy versions 14.1.x before 14.1.4.4 and all versions of 13.1.x. This flaw enables malicious users to construct an open redirect URI.
The Impact of CVE-2021-23052
The vulnerability allows unauthenticated attackers to manipulate redirect URLs, potentially leading to phishing attacks, malware distribution, or unauthorized access to sensitive information.
Technical Details of CVE-2021-23052
This section outlines the technical aspects of CVE-2021-23052, including how the vulnerability manifests and the systems affected.
Vulnerability Description
The open redirect vulnerability in BIG-IP APM access policy versions 14.1.x before 14.1.4.4 and all versions of 13.1.x permit unauthenticated users to craft malicious redirect links.
Affected Systems and Versions
Systems running BIG-IP APM versions 14.1.x before 14.1.4.4 and all versions of 13.1.x are susceptible to this security issue.
Exploitation Mechanism
Attackers exploit this flaw by manipulating the redirect URIs on vulnerable virtual servers to redirect users to malicious sites.
Mitigation and Prevention
Here, we discuss the steps to mitigate the risks posed by CVE-2021-23052 and prevent potential exploitation.
Immediate Steps to Take
Organizations should update to non-vulnerable versions, apply patches, implement network security controls, and monitor for any malicious activities.
Long-Term Security Practices
Establishing secure coding practices, conducting regular security audits, and educating users on phishing awareness are crucial for long-term security.
Patching and Updates
Regularly apply security patches released by the vendor, maintain up-to-date software versions, and stay informed about cybersecurity best practices.