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Fencer Vulns
high 8.8

CVE-2020-5922 json

In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, iControl REST does not implemen…

published 2020-08-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-27076

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, iControl REST does not implement Cross Site Request Forgery protections for users which make use of Basic Authentication in a web browser.

Patch / fix

  • f5 big-ip_access_policy_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_advanced_firewall_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_advanced_web_application_firewall 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_analytics 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_application_acceleration_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_application_security_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_ddos_hybrid_defender 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_domain_name_system 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_fraud_protection_service 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_global_traffic_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_link_controller 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_local_traffic_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 big-ip_policy_enforcement_manager 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5
  • f5 ssl_orchestrator 12.1.5.2, 13.1.3.4, 14.1.2.7, 15.1.0.5

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • n/a BIG-IP

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

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.