Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2017-6163

In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. The Traffic Management Microkernel (TMM) data plane is exposed to this issue; the control plane is not exposed.

  • Published: Oct 27, 2017
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-6163
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
f5 / big-ip_local_traffic_manager 11.6.1 11.6.1.x
f5 / big-ip_local_traffic_manager 12.1.2 12.1.2.x
f5 / big-ip_local_traffic_manager 12.0.0 12.0.0.x
f5 / big-ip_local_traffic_manager 12.1.0 12.1.0.x
f5 / big-ip_local_traffic_manager 11.6.0 11.6.0.x
f5 / big-ip_local_traffic_manager 12.1.1 12.1.1.x
f5 / big-ip_local_traffic_manager 11.4.0 11.5.3.x
f5 / big-ip_application_acceleration_manager 12.0.0 12.0.0.x
f5 / big-ip_application_acceleration_manager 12.1.0 12.1.0.x
f5 / big-ip_application_acceleration_manager 11.6.1 11.6.1.x
f5 / big-ip_application_acceleration_manager 12.1.1 12.1.1.x
f5 / big-ip_application_acceleration_manager 12.1.2 12.1.2.x
f5 / big-ip_application_acceleration_manager 11.6.0 11.6.0.x
f5 / big-ip_application_acceleration_manager 11.4.0 11.5.4.x
f5 / big-ip_advanced_firewall_manager 12.1.0 12.1.0.x
f5 / big-ip_advanced_firewall_manager 12.1.2 12.1.2.x
f5 / big-ip_advanced_firewall_manager 11.6.0 11.6.0.x
f5 / big-ip_advanced_firewall_manager 12.1.1 12.1.1.x
f5 / big-ip_advanced_firewall_manager 12.0.0 12.0.0.x
f5 / big-ip_advanced_firewall_manager 11.6.1 11.6.1.x
f5 / big-ip_advanced_firewall_manager 11.4.0 11.5.4.x
f5 / big-ip_access_policy_manager 12.1.2 12.1.2.x
f5 / big-ip_access_policy_manager 12.0.0 12.0.0.x
f5 / big-ip_access_policy_manager 12.1.1 12.1.1.x
f5 / big-ip_access_policy_manager 12.1.0 12.1.0.x
f5 / big-ip_access_policy_manager 11.6.1 11.6.1.x
f5 / big-ip_access_policy_manager 11.6.0 11.6.0.x
f5 / big-ip_access_policy_manager 11.5.0 11.5.4.x
f5 / big-ip_application_security_manager 11.6.0 11.6.0.x
f5 / big-ip_application_security_manager 12.1.1 12.1.1.x
f5 / big-ip_application_security_manager 12.1.0 12.1.0.x
f5 / big-ip_application_security_manager 11.6.1 11.6.1.x
f5 / big-ip_application_security_manager 12.0.0 12.0.0.x
f5 / big-ip_application_security_manager 12.1.2 12.1.2.x
f5 / big-ip_application_security_manager 11.5.0 11.5.4.x
f5 / big-ip_link_controller 12.1.1 12.1.1.x
f5 / big-ip_link_controller 12.1.0 12.1.0.x
f5 / big-ip_link_controller 11.6.1 11.6.1.x
f5 / big-ip_link_controller 12.1.2 12.1.2.x
f5 / big-ip_link_controller 11.6.0 11.6.0.x
f5 / big-ip_link_controller 12.0.0 12.0.0.x
f5 / big-ip_link_controller 11.5.0 11.5.4.x
f5 / big-ip_policy_enforcement_manager 12.1.1 12.1.1.x
f5 / big-ip_policy_enforcement_manager 12.1.2 12.1.2.x
f5 / big-ip_policy_enforcement_manager 12.0.0 12.0.0.x
f5 / big-ip_policy_enforcement_manager 11.6.1 11.6.1.x
f5 / big-ip_policy_enforcement_manager 12.1.0 12.1.0.x
f5 / big-ip_policy_enforcement_manager 11.6.0 11.6.0.x
f5 / big-ip_policy_enforcement_manager 11.5.0 11.5.4.x
f5 / big-ip_protocol_security_module 12.1.1 12.1.1.x
f5 / big-ip_protocol_security_module 11.4.0.x 11.5.4.x
f5 / big-ip_protocol_security_module 11.6.0 11.6.0.x
f5 / big-ip_protocol_security_module 11.6.1 11.6.1.x
f5 / big-ip_protocol_security_module 12.0.0 12.0.0.x
f5 / big-ip_protocol_security_module 12.1.0 12.1.0.x
f5 / big-ip_protocol_security_module 12.1.2 12.1.2.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.