CVE-2024-23973 json
Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow
published 2025-01-30 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-21399
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
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 handling of HTTP GET requests. 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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Silicon Labs Gecko OS
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
zerodayinitiative.com
/advisories/ZDI-24-873/
third-party-advisory
-
community.silabs.com
/a45Vm0000000Atp
permissions-required
Sources
- CVE List CVE-2024-23973
- NVD CVE-2024-23973
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