CVE-2021-23035
HIGHF5 BIG-IP 14.1.0-14.1.4.3 - Denial of Service via Chunked HTTP Responses
Title source: llmDescription
On BIG-IP 14.1.x before 14.1.4.4, when an HTTP profile is configured on a virtual server, after a specific sequence of packets, chunked responses can cause the Traffic Management Microkernel (TMM) 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/K70415522
Scores
CVSS v3
7.5
EPSS
0.0086
EPSS Percentile
75.3%
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 (11)
f5/big-ip_access_policy_manager
14.1.0 - 14.1.4.4
f5/big-ip_advanced_firewall_manager
14.1.0 - 14.1.4.4
f5/big-ip_analytics
14.1.0 - 14.1.4.4
f5/big-ip_application_acceleration_manager
14.1.0 - 14.1.4.4
f5/big-ip_application_security_manager
14.1.0 - 14.1.4.4
f5/big-ip_domain_name_system
14.1.0 - 14.1.4.4
f5/big-ip_fraud_protection_service
14.1.0 - 14.1.4.4
f5/big-ip_global_traffic_manager
14.1.0 - 14.1.4.4
f5/big-ip_link_controller
14.1.0 - 14.1.4.4
f5/big-ip_local_traffic_manager
14.1.0 - 14.1.4.4
... and 1 more
Published
Sep 14, 2021
Tracked Since
Feb 18, 2026