# CVE-2004-1464

## Summary

- **CVE ID:** CVE-2004-1464
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** N/A
- **Published:** Feb 13, 2005
- **Last Modified:** Sep 16, 2026

## Description

Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/17131)
- [CNA](http://securitytracker.com/id?1011079)
- [CNA](http://www.kb.cert.org/vuls/id/384230)
- [CNA](http://secunia.com/advisories/12395/)
- [CNA](http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml)
- [CNA](http://www.securityfocus.com/bid/11060)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.70%
- **EPSS Percentile:** 82.0

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** May 19, 2023
- **Due Date:** Jun 9, 2023

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