CVE-2021-23028

HIGH

F5 <16.0.1.2, 15.1.3.1, 14.1.4.2, 13.1.4 - DoS

Title source: llm
STIX 2.1

Description

On version 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, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process 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/K00602225

Scores

CVSS v3 7.5
EPSS 0.0061
EPSS Percentile 69.9%
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 (4)
f5/big-ip_advanced_web_application_firewall 16.0.1
f5/big-ip_advanced_web_application_firewall 13.1.3.5 - 13.1.3.6
f5/big-ip_application_security_manager 16.0.1
f5/big-ip_application_security_manager 13.1..3.5 - 13.1.3.6
Published Sep 14, 2021
Tracked Since Feb 18, 2026