# CVE-2003-1230

## Summary

- **CVE ID:** CVE-2003-1230
- **Severity:** UNKNOWN
- **CVSS Score:** 0.02
- **CWE:** N/A
- **Published:** Aug 17, 2005
- **Last Modified:** Mar 16, 2026

## Description

The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.osvdb.org/19785)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/11397)
- [CNA](http://www.securityfocus.com/bid/6920)
- [CNA](http://secunia.com/advisories/8142/)
- [CNA](http://www.securityfocus.com/advisories/5013)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.52%
- **EPSS Percentile:** 66.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._