CVE-2020-5891
At a glance Severity Not available EPSS EPSS 1.27 % · percentile 70 (2026-10-27) State PUBLISHED Published 2020-04-30 Updated 2024-08-04 Assigner f5 NVD status Modified
Description 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.
Scores Version Score Vector Scored by CVSS 3.1 HIGH 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P NVD · nvd@nist.gov (Primary)
European references
Affected configurations (NVD CPE) cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 ≤ 14.1.2.3cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* ≥ 15.0.0 ≤ 15.0.1.2cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 ≤ 15.1.0.1
Affected products Product Versions BIG-IP affected 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, 14.1.0-14.1.2.3
References
Sources