Performance Degradation in F5 BIG-IP Application Firewall due to Wildcard Virtual Server Configuration
CVE-2019-6672

7.5HIGH

Key Information:

Vendor
F5
Status
Big-ip Afm
Vendor
CVE Published:
27 November 2019

Summary

In specific versions of F5's BIG-IP Application Firewall, the configuration of bad-actor detection on a wildcard virtual server can lead to significant performance degradation. This impacts the efficiency of the system, particularly on hardware equipped with sPVA technology. Users of the affected versions should take precautions and consider adjusting their configurations to mitigate the performance issues.

Affected Version(s)

BIG-IP AFM 15.0.0-15.0.1

BIG-IP AFM 14.0.0-14.1.2

BIG-IP AFM 13.1.0-13.1.3.1

References

https://support.f5.com/csp/article/K14703097
x_refsource_CONFIRM

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

.