CVE-2021-23030: Input Validation
On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-23030?
CVE-2021-23030 is a vulnerability in BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x. When a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate.
What is the severity of CVE-2021-23030?
The severity of CVE-2021-23030 is high with a CVSS score of 7.5.
How does CVE-2021-23030 affect F5 Big-IP Advanced Web Application Firewall (WAF)?
CVE-2021-23030 affects F5 Big-IP Advanced WAF versions 12.1.x, 13.1.x, 14.1.x, 15.1.x, and 16.0.x.
How does CVE-2021-23030 affect F5 BIG-IP Application Security Manager (ASM)?
CVE-2021-23030 affects F5 BIG-IP ASM versions 12.1.x, 13.1.x, 14.1.x, 15.1.x, and 16.0.x.
How can I fix CVE-2021-23030?
To fix CVE-2021-23030, update to BIG-IP Advanced WAF version 16.0.1.2, 15.1.x version 15.1.3.1, 14.1.x version 14.1.4.3, 13.1.x version 13.1.4.1, or any version of 12.1.x. Alternatively, refer to the vendor's advisory for mitigation steps.