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Fencer Vulns
high 7.2

CVE-2019-6621 json

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 and BIG-IQ 7.0.0-7.1.0.2,…

published 2019-07-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16180

cvss
7.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 and BIG-IQ 7.0.0-7.1.0.2, 6.0.0-6.1.0, and 5.1.0-5.4.0, an undisclosed iControl REST worker is vulnerable to command injection by an admin/resource admin user. This issue impacts both iControl REST and tmsh implementations.

Patch / fix

  • f5 big-ip_access_policy_manager 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_advanced_firewall_manager 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_application_acceleration_manager 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_link_controller 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_policy_enforcement_manager 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_webaccelerator 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_application_security_manager 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_local_traffic_manager 11.5.8, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_fraud_protection_service 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_global_traffic_manager 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_analytics 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_edge_gateway 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_domain_name_system 11.5.9, 11.6.4, 13.1.1.5, 14.0.0.5, 14.1.0.6

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • n/a BIG-IP
  • n/a BIG-IQ

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.