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9.4

F5 BIG‑IP may expose debug process to outsiders

CVE-2019-6644 · published 7 years ago
Summary

Certain versions of F5 BIG‑IP (12.1.0 through 14.1.0) can leave a debugging helper running on every network port if the debug setting is left on. This could let an unauthorized person connect to that helper and see internal information. Turn off debug mode or apply the latest software patch that disables the open listener.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
f5 big-ip_local_traffic_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_advanced_firewall_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_acceleration_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip_analytics >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip_access_policy_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip_application_security_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip_edge_gateway >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
f5 big-ip_fraud_protection_service >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
f5 big-ip_global_traffic_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
f5 big-ip_link_controller >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
f5 big-ip_policy_enforcement_manager >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
f5 big-ip_webaccelerator >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
f5 big-ip_domain_name_system >= 12.1.3, <= 12.1.4
>= 13.0.0, <= 13.1.2
14.0.0
14.1.0
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
Original advisory text
Similar to the issue identified in CVE-2018-12120, on versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, and 12.1.0-12.1.4 BIG-IP will bind a debug nodejs process to all interfaces when invo...
Similar to the issue identified in CVE-2018-12120, on versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, and 12.1.0-12.1.4 BIG-IP will bind a debug nodejs process to all interfaces when invoked. This may expose the process to unauthorized users if the plugin is left in debug mode and the port is accessible.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.4 Critical
Exploitation
1% chance of attack within 30 days
Timeline
Published4 Sep 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-6644 · NVD
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