MEDIUM
CVE-2026-42058
CWE-732Published: May 13, 2026· Updated: May 13, 2026
4.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:12.4th
Official Description
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.
Technical Analysis
CVE-2026-42058 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (1)
Quick Facts
CVE IDCVE-2026-42058
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-732
CISA KEVNo
EPSS (30d)0.04%
PublishedMay 13, 2026
Related CVEs (CWE-732)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-42058 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.