CVE-2019-6471
5.9 · MEDIUMOverview
CVE-2019-6471 is a medium-severity vulnerability affecting f5 big-ip_local_traffic_manager. It was published on October 9, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.
Remediation
Check the references section for vendor advisories and patches from f5. Update big-ip_local_traffic_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| f5 | big-ip_local_traffic_manager | 11.5.2 | Affected |
| f5 | big-ip_application_acceleration_manager | 11.5.2 | Affected |
| f5 | big-ip_advanced_firewall_manager | 11.5.2 | Affected |
| f5 | big-ip_analytics | 11.5.2 | Affected |
| f5 | big-ip_access_policy_manager | 11.5.2 | Affected |
| f5 | big-ip_application_security_manager | 11.5.2 | Affected |
| f5 | big-ip_edge_gateway | 11.5.2 | Affected |
| f5 | big-ip_fraud_protection_service | 11.5.2 | Affected |
| f5 | big-ip_global_traffic_manager | 11.5.2 | Affected |
| f5 | big-ip_link_controller | 11.5.2 | Affected |
| f5 | big-ip_webaccelerator | 11.5.2 | Affected |
| f5 | big-ip_policy_enforcement_manager | 11.5.2 | Affected |
| isc | bind | 9.11.0 | Affected |
| f5 | big-iq_centralized_management | 5.1.0 | Affected |
| f5 | big-ip_domain_name_system | 11.5.2 | Affected |
Frequently Asked Questions
What is CVE-2019-6471?
CVE-2019-6471 is a medium-severity vulnerability affecting f5 big-ip_local_traffic_manager. It was published on October 9, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2019-6471?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-6471?
Check the references section for vendor advisories and patches from f5. Update big-ip_local_traffic_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-6471?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-6471 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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