CVE-2020-27715
High
Description
On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.
SeverityHigh
CVSS7.5
Exploit probability—
Product
F5 Big-ip Access Policy Manager
PublishedDec 24, 2020
First seenDec 24, 2020
How to fix
Update
- f5 big-ip_access_policy_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_advanced_firewall_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_analytics14.1.3.1, 15.1.1 or later
- f5 big-ip_application_acceleration_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_application_security_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_domain_name_system14.1.3.1, 15.1.1 or later
- f5 big-ip_fraud_protection_service14.1.3.1, 15.1.1 or later
- f5 big-ip_global_traffic_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_link_controller14.1.3.1, 15.1.1 or later
- f5 big-ip_local_traffic_manager14.1.3.1, 15.1.1 or later
- f5 big-ip_policy_enforcement_manager14.1.3.1, 15.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_access_policy_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_advanced_firewall_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_analytics | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_application_acceleration_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_application_security_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_domain_name_system | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_fraud_protection_service | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_global_traffic_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_link_controller | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_local_traffic_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
| f5 big-ip_policy_enforcement_manager | 14.1.0 ≤ v < 14.1.3.1, 15.0.0 ≤ v < 15.1.1 | 14.1.3.1, 15.1.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.