CVE-2015-4637
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...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-4637- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-17, CWE-310
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-4637- Updated
- 2026-11-02
EUVDEUVD-2015-4656 No score
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.
- Record
EUVD-2015-4656- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3p2c-v2vr-8p3x No score
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...
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.
- Record
GHSA-3p2c-v2vr-8p3x- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-4637 is a medium vulnerability (CVSS 4.3) in F5 Big-iq Cloud, published July 16, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.