# CVE-2001-0851

## Summary

- **CVE ID:** CVE-2001-0851
- **Severity:** UNKNOWN
- **CVSS Score:** 0.03
- **CWE:** N/A
- **Published:** Mar 9, 2002
- **Last Modified:** Mar 16, 2026

## Description

Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/7461)
- [CNA](http://www.novell.com/linux/security/advisories/2001_039_kernel2_txt.html)
- [CNA](http://www.redhat.com/support/errata/RHSA-2001-142.html)
- [CNA](http://www.linuxsecurity.com/advisories/other_advisory-1683.html)
- [CNA](http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt)
- [CNA](http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.62%
- **EPSS Percentile:** 69.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._