# CVE-2002-2316

## Summary

- **CVE ID:** CVE-2002-2316
- **Severity:** UNKNOWN
- **CVSS Score:** 0.03
- **CWE:** N/A
- **Published:** Oct 26, 2007
- **Last Modified:** Mar 16, 2026

## Description

Cisco Catalyst 4000 series switches running CatOS 5.5.5, 6.3.5, and 7.1.2 do not always learn MAC addresses from a single initial packet, which causes unicast traffic to be broadcast across the switch and allows remote attackers to obtain sensitive network information by sniffing.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-06/0209.html)
- [CNA](http://www.securityfocus.com/bid/4790)
- [CNA](http://www.iss.net/security_center/static/9148.php)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2002-05/0190.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.55%
- **EPSS Percentile:** 67.5

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