CVE-2024-23937 Silicon Labs Gecko OS Debug Interface Format String

Medium 4.3 Published 31 Jan 2025 Updated 1 Jul 2025

Network-adjacent attackers can disclose sensitive information via a format string vulnerability in the debug interface of Silicon Labs Gecko OS.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-23937?

CVE-2024-23937 is a medium-severity vulnerability in Silicon Labs Gecko OS, published on 31 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the debug interface. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.

Weakness: CWE-200

Which versions are affected by CVE-2024-23937?

It affects 1 product.

Products include Silabs Gecko Os.

How do I fix CVE-2024-23937?

No fix has been published for CVE-2024-23937 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-23937 being exploited?

There is no known exploitation of CVE-2024-23937 in the wild and no public exploit code.

Sources

Also known as GHSA-c5c5-3vp7-2qj2.