CVE-2026-42058
BIG-IP iControl REST vulnerability
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
An authenticated attacker's undisclosed requests to BIG-IP iControl REST can lead to an information leak of BIG-IP local user account names. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-732 |
| Vendor | f5 |
| Product | big-ip |
| 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:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
F5 / BIG-IP
21.0.0 < 21.0.0.2 17.5.0 < 17.5.1.6 17.1.0 < 17.1.3.2 16.1.0 < *
Credits
F5