How severe is CVE-2024-23938?

CVE-2024-23938 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-23938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23938?

CVE-2024-23938 affects Silabs Gecko Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23938?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-23938 have an EU (EUVD) identifier?

Yes. CVE-2024-23938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21368.

When was CVE-2024-23938 published?

CVE-2024-23938 was published on 2024-09-28 and last updated on 2026-06-17.

CVE-2024-23938

CVE-2024-23938 is a high-severity vulnerability in Silabs Gecko Os with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21368
Weakness: CWE-787
Affected product: Silabs Gecko Os
Published: 2024-09-28
Last modified: 2026-06-17

Description

Silicon Labs Gecko OS Debug Interface Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code 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 the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23184

Frequently asked questions

What is CVE-2024-23938?: Silicon Labs Gecko OS Debug Interface Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code 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 the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23184
How severe is CVE-2024-23938?: CVE-2024-23938 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-23938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23938?: CVE-2024-23938 affects Silabs Gecko Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23938?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-23938 have an EU (EUVD) identifier?: Yes. CVE-2024-23938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21368.
When was CVE-2024-23938 published?: CVE-2024-23938 was published on 2024-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:silabs:gecko_os:1.0.46:*:*:*:*:*:*:*

More vulnerabilities in Silabs Gecko Os

CVE-2025-2837 — High (CVSS 8.8): Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. This…
CVE-2024-23973 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon…
CVE-2024-24731 — High (CVSS 7.5): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon…
CVE-2025-2838 — Medium (CVSS 6.5): Silicon Labs Gecko OS DNS Response Processing Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows…
CVE-2024-23937 — Medium (CVSS 4.3): This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of…

All CVEs affecting Silabs Gecko Os →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →