CVE-2015-4637

Name: CVE-2015-4637
Creator: NVD / NIST
Published: 2015-07-16T14:59:04.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.14%

Last modified Jun 17, 2026

CVE-2015-4637 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.14%

62.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F5	Big-Iq Adc	4.5.0
F5	Big-Iq Cloud	4.4.0
F5	Big-Iq Cloud	4.5.0
F5	Big-Iq Device	4.4.0
F5	Big-Iq Device	4.5.0
F5	Big-Iq Security	4.4.0
F5	Big-Iq Security	4.5.0

References

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

Timeline

Published: Jul 16, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4637?

How severe is CVE-2015-4637?

Severity scoring for CVE-2015-4637 is pending analysis. The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-4637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST