Skip to content
Fencer Vulns
high 7.8

CVE-2019-6685 json

On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, users with access…

published 2019-12-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16244

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, users with access to edit iRules are able to create iRules which can lead to an elevation of privilege, configuration modification, and arbitrary system command execution.

Patch / fix

  • f5 big-ip_access_policy_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_advanced_firewall_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_analytics 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_application_acceleration_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_application_security_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_domain_name_system 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_edge_gateway 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_fraud_protection_service 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_global_traffic_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_link_controller 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_local_traffic_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_policy_enforcement_manager 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0
  • f5 big-ip_webaccelerator 13.1.3.2, 14.0.1.1, 14.1.2.3, 15.1.0

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • F5 BIG-IP

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.