CVE-2018-5527
7.5 · HIGHOverview
CVE-2018-5527 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager. It was published on June 27, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
On BIG-IP 13.1.0-13.1.0.7, a remote attacker using undisclosed methods against virtual servers configured with a Client SSL or Server SSL profile that has the SSL Forward Proxy feature enabled can force the Traffic Management Microkernel (tmm) to leak memory. As a result, system memory usage increases over time, which may eventually cause a decrease in performance or a system reboot due to memory exhaustion.
Remediation
Check the references section for vendor advisories and patches from f5. Update big-ip_access_policy_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_access_policy_manager | 13.0.0 | Affected |
| f5 | big-ip_advanced_firewall_manager | 13.0.0 | Affected |
| f5 | big-ip_analytics | 13.0.0 | Affected |
| f5 | big-ip_application_acceleration_manager | 13.0.0 | Affected |
| f5 | big-ip_application_security_manager | 13.0.0 | Affected |
| f5 | big-ip_domain_name_system | 13.0.0 | Affected |
| f5 | big-ip_edge_gateway | 13.0.0 | Affected |
| f5 | big-ip_global_traffic_manager | 13.0.0 | Affected |
| f5 | big-ip_link_controller | 13.0.0 | Affected |
| f5 | big-ip_local_traffic_manager | 13.0.0 | Affected |
| f5 | big-ip_policy_enforcement_manager | 13.0.0 | Affected |
| f5 | big-ip_webaccelerator | 13.0.0 | Affected |
| f5 | big-ip_websafe | 13.0.0 | Affected |
Frequently Asked Questions
What is CVE-2018-5527?
CVE-2018-5527 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager. It was published on June 27, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-5527?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-5527?
Check the references section for vendor advisories and patches from f5. Update big-ip_access_policy_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-2018-5527?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-5527 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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