CVE-2026-20916
BIG-IQ iControl REST vulnerability
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | f5 |
| Product | big-iq |
| Published | May 13, 2026 |
| Last Updated | May 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
F5 / BIG-IQ
8.4.0 < 8.4.1
Credits
F5