CVE-2018-5547
7.8 · HIGHOverview
CVE-2018-5547 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager_client. It was published on August 17, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Windows Logon Integration feature of F5 BIG-IP APM client prior to version 7.1.7.1 for Windows by default uses Legacy logon mode which uses a SYSTEM account to establish network access. This feature displays a certificate user interface dialog box which contains the link to the certificate policy. By clicking on the link, unprivileged users can open additional dialog boxes and get access to the local machine windows explorer which can be used to get administrator privilege. Windows Logon Integration is vulnerable when the APM client is installed by an administrator on a user machine. Users accessing the local machine can get administrator privileges
Remediation
Check the references section for vendor advisories and patches from f5. Update big-ip_access_policy_manager_client 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 |
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References
Frequently Asked Questions
What is CVE-2018-5547?
CVE-2018-5547 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager_client. It was published on August 17, 2018 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2018-5547?
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-5547?
Check the references section for vendor advisories and patches from f5. Update big-ip_access_policy_manager_client 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-2018-5547?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-5547 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.
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