CVE-2024-57699 Netplex Json-smart Uncontrolled Recursion vulnerability

High 7.5 Published Updated

Attackers can cause a Denial of Service in Netplex Json-smart by sending crafted JSON with excessive braces, triggering stack exhaustion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-57699?

CVE-2024-57699 is a high-severity denial of service vulnerability in n/a, published on 5 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security issue was found in Netplex Json-smart 2.5.0 through 2.5.1. When loading a specially crafted JSON input, containing a large number of ’{’, a stack exhaustion can be trigger, which could allow an attacker to cause a Denial of Service (DoS). This issue exists because of an incomplete fix for CVE-2023-1370.

Weakness: CWE-674

Which versions are affected by CVE-2024-57699?

2 open source packages ship an affected version, including net.minidev:json-smart.

PackageAffectedFixed in
net.minidev:json-smart MavenFrom 2.5.02.5.2
net.minidev:json-smart MavenFrom 2.5.02.5.2

How do I fix CVE-2024-57699?

Upgrade net.minidev:json-smart to 2.5.2 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-57699 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-57699 exists.

Sources

Also known as CLEANSTART-2026-BE42282, CLEANSTART-2026-KK34525, CLSA-2026-1788528539, CLSA-2026-1789461217, DEBIAN-CVE-2024-57699, ECHO-5b91-c100-b90d and 9 more.

Is CVE-2024-57699 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free