# CVE-2002-0515

## Summary

- **CVE ID:** CVE-2002-0515
- **Severity:** UNKNOWN
- **CVSS Score:** 0.08
- **CWE:** N/A
- **Published:** Jun 11, 2002
- **Last Modified:** Mar 16, 2026

## Description

IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/archive/1/265188)
- [CNA](http://www.securityfocus.com/bid/4403)
- [CNA](http://www.iss.net/security_center/static/8738.php)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.09%
- **EPSS Percentile:** 83.7

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