CVE-2021-23010: High severity F5 BIG-IP Application Security Manager vulnerability
On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and 12.1.x before 12.1.5.3, when the BIG-IP ASM/Advanced WAF system processes WebSocket requests with JSON payloads using the default JSON Content Profile in the ASM Security Policy, the BIG-IP ASM bd process may produce a core file. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-23010?
CVE-2021-23010 has a high severity rating due to its impact on the F5 BIG-IP ASM/Advanced WAF's handling of WebSocket requests.
How do I fix CVE-2021-23010?
To mitigate CVE-2021-23010, upgrade your F5 BIG-IP Application Security Manager to version 12.1.5.3 or later, 13.1.3.5 or later, 14.1.3.1 or later, 15.1.2 or later, or 16.0.1.1 or later.
What versions of F5 BIG-IP are affected by CVE-2021-23010?
CVE-2021-23010 affects F5 BIG-IP versions prior to 12.1.5.3, 13.1.3.5, 14.1.3.1, 15.1.2, and 16.0.1.1.
What are the consequences of exploiting CVE-2021-23010?
Exploiting CVE-2021-23010 could allow an attacker to bypass security policies when processing WebSocket requests with JSON payloads.
Is there a workaround for CVE-2021-23010?
There are no specific workarounds recommended for CVE-2021-23010; upgrading to the patched versions is the advised approach.