Glitch detection not active by default in Silicon Labs Secure Vault High devices
Priority LOW 32CWE-1319Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Glitch detection is not enabled by default for the CortexM33 core in Silicon Labs secure vault high parts EFx32xG2xB, except EFR32xG21B.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00273 19th percentileScored 2026-11-07
Fix Fixed GSDK (silabs.com): 4.4.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| silabs.com | GSDK | 1.0 to before 4.4.0 | 4.4.0 | Patch available | CNA |
- GSDK Vendorsilabs.com Affected 1.0 to before 4.4.0 Fixed in 4.4.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:* | 1.0.0 to before 4.4.0 | Vulnerable | silabs.com |
- cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:* Versions 1.0.0 to before 4.4.0 Vulnerable ·silabs.com
Remediation
- Fix · CNA GSDK (silabs.com) Fixed in 4.4.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5138
- 2026-10-03 Alias added: GHSA-32h2-7245-4mh4
References
More silabs.com Gecko Software Development Kit vulnerabilities
- TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
- TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-10642 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-5138 · CVE Program
- CVE-2023-5138 · NVD
- FIRST EPSS
- GHSA-32h2-7245-4mh4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences