CVE-2026-20916

EUVD-2026-29957
An authenticated iControl REST user with low privileges can create or modify arbitrary files through an undisclosed iControl REST endpoint on the BIG-IQ system.
 Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 29.39%
Affected Products (NVD)
VendorProductVersion
f5big-iq_centralized_management
8.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://my.f5.com/manage/s/article/K000158029