CVE-2021-23034
High
Description
On BIG-IP version 16.x before 16.1.0 and 15.1.x before 15.1.3.1, when a DNS profile using a DNS cache resolver is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SeverityHigh
CVSS7.5
Exploit probability—
Product
F5 Big-ip Access Policy Manager
PublishedSep 14, 2021
First seenSep 14, 2021
Weakness typeCWE-20Improper input validation
How to fix
Update
- f5 big-ip_access_policy_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_advanced_firewall_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_analytics15.1.3.1, 16.1.0 or later
- f5 big-ip_application_acceleration_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_application_security_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_domain_name_system15.1.3.1, 16.1.0 or later
- f5 big-ip_fraud_protection_service15.1.3.1, 16.1.0 or later
- f5 big-ip_global_traffic_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_link_controller15.1.3.1, 16.1.0 or later
- f5 big-ip_local_traffic_manager15.1.3.1, 16.1.0 or later
- f5 big-ip_policy_enforcement_manager15.1.3.1, 16.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_access_policy_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_advanced_firewall_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_analytics | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_application_acceleration_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_application_security_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_domain_name_system | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_fraud_protection_service | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_global_traffic_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_link_controller | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_local_traffic_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
| f5 big-ip_policy_enforcement_manager | 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 15.1.3.1, 16.1.0 |
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