F5 Advanced Web Application Firewall Vulnerability Affecting Multiple Versions
CVE-2021-23028

7.5HIGH

Key Information:

Vendor

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

What is CVE-2021-23028?

In specific versions of the F5 Advanced Web Application Firewall, a vulnerability exists when JSON content profiles are configured for URLs within a security policy. This flaw can lead to the termination of the BIG-IP ASM bd process when handling undisclosed requests. As a result, it could disrupt the normal operation of the firewall, impacting the availability of web applications under its protection.

Affected Version(s)

BIG-IP Advanced WAF and BIG-IP ASM 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4

References

https://support.f5.com/csp/article/K00602225
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

.