CVE-2020-5871

On BIG-IP 14.1.0-14.1.2.3, undisclosed requests can lead to a denial of service (DoS) when sent to BIG-IP HTTP/2 virtual servers. The problem can occur when ciphers, which have been blacklisted by the HTTP/2 RFC, are used on backend servers. This is a data-plane issue. There is no control-plane exposure.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
f5CNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
f5big-ip_access_policy_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_advanced_firewall_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_analytics
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_application_acceleration_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_application_security_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_domain_name_system
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_fraud_protection_service
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_global_traffic_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_link_controller
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_local_traffic_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
f5big-ip_policy_enforcement_manager
14.1.0 ≤
𝑥
≤ 14.1.2.3
𝑥
= Vulnerable software versions