CVE-2021-23030

HIGH

F5 Big-ip Advanced Web Application Firewall < 12.1.6 - Improper Input Validation

Title source: rule
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K42051445

Scores

CVSS v3 7.5
EPSS 0.0068
EPSS Percentile 71.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (2)
f5/big-ip_advanced_web_application_firewall 12.1.0 - 12.1.6
f5/big-ip_application_security_manager 12.1.0 - 12.1.6
Published Sep 14, 2021
Tracked Since Feb 18, 2026