CVE-2019-6642
8.8 · HIGHOverview
CVE-2019-6642 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager. It was published on July 1, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In BIG-IP 15.0.0, 14.0.0-14.1.0.5, 13.0.0-13.1.1.5, 12.1.0-12.1.4.2, and 11.5.2-11.6.4, BIG-IQ 6.0.0-6.1.0 and 5.1.0-5.4.0, iWorkflow 2.3.0, and Enterprise Manager 3.1.1, authenticated users with the ability to upload files (via scp, for example) can escalate their privileges to allow root shell access from within the TMOS Shell (tmsh) interface. The tmsh interface allows users to execute a secondary program via tools like sftp or scp.
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 | 11.5.2 | Affected |
| f5 | big-ip_advanced_firewall_manager | 11.5.2 | Affected |
| f5 | big-ip_application_acceleration_manager | 11.5.2 | Affected |
| f5 | big-ip_link_controller | 11.5.2 | Affected |
| f5 | big-ip_policy_enforcement_manager | 11.5.2 | Affected |
| f5 | big-ip_webaccelerator | 11.5.2 | Affected |
| f5 | big-ip_application_security_manager | 11.5.2 | Affected |
| f5 | big-ip_local_traffic_manager | 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_analytics | 11.5.2 | Affected |
| f5 | big-ip_edge_gateway | 11.5.2 | Affected |
| f5 | big-ip_domain_name_system | 11.5.2 | Affected |
| f5 | big-iq_centralized_management | 5.1.0 | Affected |
Frequently Asked Questions
What is CVE-2019-6642?
CVE-2019-6642 is a high-severity vulnerability affecting f5 big-ip_access_policy_manager. It was published on July 1, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2019-6642?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-6642?
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-2019-6642?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-6642 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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