CVE-2020-5947

In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
f5CNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
f5big-ip_access_policy_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_access_policy_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_advanced_firewall_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_advanced_firewall_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_advanced_web_application_firewall
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_advanced_web_application_firewall
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_analytics
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_analytics
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_application_acceleration_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_application_acceleration_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_application_security_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_application_security_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_ddos_hybrid_defender
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_ddos_hybrid_defender
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_domain_name_system
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_domain_name_system
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_fraud_protection_service
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_fraud_protection_service
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_global_traffic_manager
15.0.0 ≤
𝑥
≤ 15.1.2
f5big-ip_global_traffic_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_link_controller
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_link_controller
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_local_traffic_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_local_traffic_manager
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_policy_enforcement_manager
15.0.0 ≤
𝑥
< 15.1.2
f5big-ip_policy_enforcement_manager
16.0.0 ≤
𝑥
< 16.0.1
f5ssl_orchestrator
15.0.0 ≤
𝑥
< 15.1.2
f5ssl_orchestrator
16.0.0 ≤
𝑥
< 16.0.1
𝑥
= Vulnerable software versions