cbcvebase.
CVE-2021-23035
published 2021-09-14

CVE-2021-23035: 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…

PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.95%
60.9th percentile
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.

Affected

23 ranges
VendorProductVersion rangeFixed in
f5big-ip_aam——
f5big-ip_access_policy_manager——
f5big-ip_access_policy_manager14.1.0 – 14.1.4.4—
f5big-ip_advanced_firewall_manager14.1.0 – 14.1.4.4—
f5big-ip_afm——
f5big-ip_analytics——
f5big-ip_analytics14.1.0 – 14.1.4.4—
f5big-ip_apm——
f5big-ip_application_acceleration_manager14.1.0 – 14.1.4.4—
f5big-ip_application_security_manager14.1.0 – 14.1.4.4—
f5big-ip_asm——
f5big-ip_dns——
f5big-ip_domain_name_system14.1.0 – 14.1.4.4—
f5big-ip_fps——
f5big-ip_fraud_protection_service14.1.0 – 14.1.4.4—
f5big-ip_global_traffic_manager14.1.0 – 14.1.4.4—
f5big-ip_gtm——
f5big-ip_link_controller——
f5big-ip_link_controller14.1.0 – 14.1.4.4—
f5big-ip_local_traffic_manager14.1.0 – 14.1.4.4—
f5big-ip_ltm——
f5big-ip_pem——
f5big-ip_policy_enforcement_manager14.1.0 – 14.1.4.4—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.1HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.