CVE-2020-5947
Medium
Description
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).
SeverityMedium
CVSS4.3
Exploit probability—
Product
F5 Big-ip Access Policy Manager
PublishedNov 19, 2020
First seenNov 19, 2020
How to fix
Update
- f5 big-ip_access_policy_manager15.1.2, 16.0.1 or later
- f5 big-ip_advanced_firewall_manager15.1.2, 16.0.1 or later
- f5 big-ip_advanced_web_application_firewall15.1.2, 16.0.1 or later
- f5 big-ip_analytics15.1.2, 16.0.1 or later
- f5 big-ip_application_acceleration_manager15.1.2, 16.0.1 or later
- f5 big-ip_application_security_manager15.1.2, 16.0.1 or later
- f5 big-ip_ddos_hybrid_defender15.1.2, 16.0.1 or later
- f5 big-ip_domain_name_system15.1.2, 16.0.1 or later
- f5 big-ip_fraud_protection_service15.1.2, 16.0.1 or later
- f5 big-ip_global_traffic_manager16.0.1 or later
- f5 big-ip_link_controller15.1.2, 16.0.1 or later
- f5 big-ip_local_traffic_manager15.1.2, 16.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_access_policy_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_advanced_firewall_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_advanced_web_application_firewall | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_analytics | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_application_acceleration_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_application_security_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_ddos_hybrid_defender | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_domain_name_system | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_fraud_protection_service | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_global_traffic_manager | 15.0.0 ≤ v ≤ 15.1.2, 16.0.0 ≤ v < 16.0.1 | 16.0.1 |
| f5 big-ip_link_controller | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_local_traffic_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 big-ip_policy_enforcement_manager | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
| f5 ssl_orchestrator | 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 15.1.2, 16.0.1 |
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