CVE-2026-20916

published 2026-05-13

CVE-2026-20916: An authenticated iControl REST user with low privileges can create or modify arbitrary files through an undisclosed iControl REST endpoint on the BIG-IQ…

Priority P3 52 high 8.1 CVSS 3.1

AV N AC L PR L UI N S U C N I H A H

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
f5	big-iq	—	—
f5	big-iq	>= 8.4.0 < 8.4.1	8.4.1
f5	big-iq_centralized_management	—	—
f5	icontrol_rest	—	—

CVSS provenance

nvd v3.1 8.1 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

nvd v4.0 7.2 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-22