WebSocket Profile Vulnerability in BIG-IP Advanced WAF and ASM
CVE-2021-23033

7.5HIGH

Key Information:

Vendor

F5
Status
Big-ip Advanced Waf And Big-ip Asm
Vendor
CVE Published:
14 September 2021

What is CVE-2021-23033?

The vulnerability involves the BIG-IP Advanced WAF and ASM when a WebSocket profile is active on a virtual server. Specific undisclosed requests can result in unintended termination of the bd process. This issue impacts various versions of the product, so it is essential for users to ensure they are using supported software versions and apply relevant patches to mitigate potential risks.

Affected Version(s)

BIG-IP Advanced WAF and BIG-IP ASM 16.x before 16.1.0, 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

References

https://support.f5.com/csp/article/K05314769
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.