CVE-2021-22984 : Exploit Details and Defense Strategies
Discover the impact and technical details of CVE-2021-22984 found in BIG-IP Advanced WAF and ASM versions before specific releases. Learn how to mitigate and prevent this vulnerability.
This CVE refers to a vulnerability found in BIG-IP Advanced WAF and ASM versions before specific releases. An unauthenticated client request with a maliciously crafted URI can lead to Open Redirection attacks.
Understanding CVE-2021-22984
This section delves into the details regarding the CVE-2021-22984 vulnerability.
What is CVE-2021-22984?
The vulnerability exists in BIG-IP Advanced WAF and ASM versions before designated releases. It allows attackers to execute Open Redirection attacks by exploiting unauthenticated client requests with manipulated URIs.
The Impact of CVE-2021-22984
The impact includes the exposure of clients and web servers to Open Redirection attacks when configured with vulnerable versions of DoS profiles on virtual servers.
Technical Details of CVE-2021-22984
Explore the technical aspects of the CVE-2021-22984 vulnerability here.
Vulnerability Description
When receiving unauthenticated client requests with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server can be manipulated to launch Open Redirection attacks.
Affected Systems and Versions
The affected systems include BIG-IP Advanced WAF and ASM versions prior to 15.1.0.2, 15.0.1.4, 14.1.2.5, 13.1.3.4, 12.1.5.2, and 11.6.5.2.
Exploitation Mechanism
Attackers exploit unauthenticated client requests with manipulated URIs to carry out Open Redirection attacks on affected systems.
Mitigation and Prevention
Learn how to mitigate and prevent the CVE-2021-22984 vulnerability in this section.
Immediate Steps to Take
Immediate steps include updating to the latest patched versions, monitoring traffic for suspicious activity, and implementing strong access controls.
Long-Term Security Practices
Long-term practices involve regular security audits, training staff on cybersecurity measures, and staying informed about potential threats.
Patching and Updates
Regularly applying software updates and security patches is crucial to prevent exploitation of vulnerabilities like CVE-2021-22984.