CVE-2024-37028Network attack vector

Unauthenticated account lockout via undisclosed mechanism

Published Aug 14, 2024 · Updated Aug 16, 2024

Account lockout in F5 BIG-IP Next Central Manager 20.1.0 before 20.2.1 allows remote attackers to deny access to unused accounts. F5 has not disclosed which authentication request or account-lockout operation incorrectly accepts attempts against never-used accounts. The request requires no credentials or user interaction, but the consequence is limited to locking an account that has never logged in.

CVSS severity6.3
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Account lockout in F5 BIG-IP Next Central Manager 20.1.0 before 20.2.1 allows remote attackers to deny access to unused accounts. F5 has not disclosed which authentication request or account-lockout operation incorrectly accepts attempts against never-used accounts. The request requires no credentials or user interaction, but the consequence is limited to locking an account that has never logged in.

The record

CVE
CVE-2024-37028
Published
Aug 14, 2024
Updated
Aug 16, 2024
Vendor
F5 Networks
Product
BIG-IP Next Central Manager
Classifications
CWE-645, CWE-287, T1531
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=20.1.0 <20.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

F5 Networks · BIG-IP Next Central Managerversion=20.1.0 <20.2.1

Published CVSS scores

6.3F5 NetworksCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3F5 NetworksCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-645Overly Restrictive Account Lockout Mechanism
CWE-287Improper Authentication
T1531Account Access Removal

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo