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Fencer Intel
medium 5.3

CVE-2019-6640 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, 11.6.1-11.6.3.4, and 11.5.1-11.5.8, SNMP exposes sensitive conf…

published 7y ago modified 4mo ago also EUVD-2019-16199

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
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, 11.6.1-11.6.3.4, and 11.5.1-11.5.8, SNMP exposes sensitive configuration objects over insecure transmission channels. This issue is exposed when a passphrase is inserted into various profile types and accessed using SNMPv2.

Patch / fix

  • f5 big-ip_local_traffic_manager 11.5.9, 11.6.3, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_application_acceleration_manager 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_advanced_firewall_manager 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_analytics 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_access_policy_manager 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_application_security_manager 11.5.9, 11.6.3, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_domain_name_system 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_edge_gateway 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_global_traffic_manager 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_link_controller 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_policy_enforcement_manager 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_webaccelerator 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
  • f5 big-ip_fraud_protection_service 11.5.9, 11.6.4, 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6

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Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • F5 BIG-IP

Classification

Weakness
  • CWE-319 Cleartext Transmission of Sensitive Information

References

Sources

Fencer Intel 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.