CVE-2026-20916

high F5
CVSS v3 Base Score
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 72% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
High
Availability
High
Published: May 13, 2026 (57 days ago)
Last Modified: June 29, 2026
Vendor: F5
Source: NVD

Description

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

Affected Products

f5 big-iq centralized management

References

🔗 my.f5.com