CVE-2015-4637

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-07-16 · updated 2026-06-17
Weakness: CWE-17

Description

The REST API in F5 BIG-IQ Cloud, Device, and Security 4.4.0 and 4.5.0 before HF2 and ADC 4.5.0 before HF2, when configured for LDAP remote authentication and the LDAP server allows anonymous BIND operations, allows remote attackers to obtain an authentication token for arbitrary users by guessing an LDAP user account name.

Affected products

F5 Big-Iq Adc: 4.5.0
F5 Big-Iq Cloud: 4.4.0, 4.5.0
F5 Big-Iq Device: 4.4.0, 4.5.0
F5 Big-Iq Security: 4.4.0, 4.5.0

References

https://support.f5.com/kb/en-us/solutions/public/16000/800/sol16861.html
https://support.f5.com/kb/en-us/solutions/public/16000/800/sol16861.html

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