CVE-2020-5921
High
Description
in BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, Syn flood causes large number of MCPD context messages destined to secondary blades consuming memory leading to MCPD failure. This issue affects only VIPRION hosts with two or more blades installed. Single-blade VIPRION hosts are not affected.
SeverityHigh
CVSS7.5
Exploit probability—
Product
F5 Big-ip Access Policy Manager
PublishedAug 26, 2020
First seenAug 26, 2020
How to fix
Update
- f5 big-ip_access_policy_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_advanced_firewall_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_analytics12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_application_acceleration_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_application_security_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_domain_name_system12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_fraud_protection_service12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_global_traffic_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_link_controller12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_local_traffic_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
- f5 big-ip_policy_enforcement_manager12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_access_policy_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_advanced_firewall_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_analytics | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_application_acceleration_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_application_security_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_domain_name_system | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_fraud_protection_service | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_global_traffic_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_link_controller | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_local_traffic_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
| f5 big-ip_policy_enforcement_manager | 12.1.0 ≤ v < 12.1.5.2, 14.1.0 ≤ v < 14.1.2.7, 15.0.0 ≤ v < 15.0.1.4, 15.1.0 ≤ v < 15.1.0.5 | 12.1.5.2, 14.1.2.7, 15.0.1.4, 15.1.0.5 |
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