cbcvebase.
CVE-2021-23009
published 2021-05-10

CVE-2021-23009: On BIG-IP version 16.0.x before 16.0.1.1 and 15.1.x before 15.1.3, malformed HTTP/2 requests may cause an infinite loop which causes a Denial of Service for…

PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.99%
58.5th percentile
On BIG-IP version 16.0.x before 16.0.1.1 and 15.1.x before 15.1.3, malformed HTTP/2 requests may cause an infinite loop which causes a Denial of Service for Data Plane traffic. TMM takes the configured HA action when the TMM process is aborted. There is no control plane exposure, this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

43 ranges· showing 25
VendorProductVersion rangeFixed in
f5big-ip_aam——
f5big-ip_access_policy_manager——
f5big-ip_access_policy_manager>= 15.1.0 < 15.1.315.1.3
f5big-ip_access_policy_manager>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_advanced_firewall_manager>= 15.1.0 < 15.1.315.1.3
f5big-ip_advanced_firewall_manager>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_advanced_waf——
f5big-ip_advanced_web_application_firewall>= 15.1.0 < 15.1.315.1.3
f5big-ip_advanced_web_application_firewall>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_afm——
f5big-ip_analytics——
f5big-ip_analytics>= 15.1.0 < 15.1.315.1.3
f5big-ip_analytics>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_apm——
f5big-ip_application_acceleration_manager>= 15.1.0 < 15.1.315.1.3
f5big-ip_application_acceleration_manager>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_application_security_manager>= 15.1.0 < 15.1.315.1.3
f5big-ip_application_security_manager>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_asm——
f5big-ip_ddos_hybrid_defender>= 15.1.0 < 15.1.315.1.3
f5big-ip_ddos_hybrid_defender>= 16.0.0 < 16.0.1.116.0.1.1
f5big-ip_dhd——
f5big-ip_dns——
f5big-ip_domain_name_system>= 15.1.0 < 15.1.315.1.3
f5big-ip_domain_name_system>= 16.0.0 < 16.0.1.116.0.1.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
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