CVE-2026-42058

EUVD-2026-29993
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
f5CNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
f5big-ip
21.0.0 ≤
𝑥
< 21.0.0.2
CNA
f5big-ip
17.5.0 ≤
𝑥
< 17.5.1.6
CNA
f5big-ip
17.1.0 ≤
𝑥
< 17.1.3.2
CNA
Common Weakness Enumeration
References
https://my.f5.com/manage/s/article/K000160903