cbcvebase.
CVE-2020-5891
published 2020-04-30

CVE-2020-5891: On BIG-IP 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, undisclosed HTTP/2 requests can lead to a denial of service when sent to a virtual server…

PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.24%
65.8th percentile
On BIG-IP 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, undisclosed HTTP/2 requests can lead to a denial of service when sent to a virtual server configured with the Fallback Host setting and a server-side HTTP/2 profile.

Affected

37 ranges· showing 25
VendorProductVersion rangeFixed in
f5big-ip_aam
f5big-ip_access_policy_manager
f5big-ip_access_policy_manager14.1.0 – 14.1.2.3
f5big-ip_access_policy_manager15.0.0 – 15.0.1.2
f5big-ip_access_policy_manager15.1.0 – 15.1.0.1
f5big-ip_advanced_firewall_manager14.1.0 – 14.1.2.3
f5big-ip_advanced_firewall_manager15.0.0 – 15.0.1.2
f5big-ip_advanced_firewall_manager15.1.0 – 15.1.0.1
f5big-ip_afm
f5big-ip_analytics
f5big-ip_analytics14.1.0 – 14.1.2.3
f5big-ip_analytics15.0.0 – 15.0.1.2
f5big-ip_analytics15.1.0 – 15.1.0.1
f5big-ip_apm
f5big-ip_application_acceleration_manager14.1.0 – 14.1.2.3
f5big-ip_application_acceleration_manager15.0.0 – 15.0.1.2
f5big-ip_application_acceleration_manager15.1.0 – 15.1.0.1
f5big-ip_application_security_manager14.1.0 – 14.1.2.3
f5big-ip_application_security_manager15.0.0 – 15.0.1.2
f5big-ip_application_security_manager15.1.0 – 15.1.0.1
f5big-ip_asm
f5big-ip_fps
f5big-ip_fraud_protection_service14.1.0 – 14.1.2.3
f5big-ip_fraud_protection_service15.0.0 – 15.0.1.2
f5big-ip_fraud_protection_service15.1.0 – 15.1.0.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
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.