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Fencer Vulns
high 8.4

CVE-2020-5945 json

In BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, undisclosed TMUI page contains a stored cross site scripting vuln…

published 2020-11-05 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-27099

cvss
8.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

In BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, undisclosed TMUI page contains a stored cross site scripting vulnerability (XSS). The issue allows a minor privilege escalation for resource admin to escalate to full admin.

Patch / fix

  • f5 big-ip_access_policy_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_advanced_firewall_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_analytics 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_application_acceleration_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_application_security_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_domain_name_system 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_fraud_protection_service 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_global_traffic_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_link_controller 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_local_traffic_manager 14.1.2.8, 15.1.1, 16.0.1
  • f5 big-ip_policy_enforcement_manager 14.1.2.8, 15.1.1, 16.0.1

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 8.5 AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products

  • n/a BIG-IP

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.