Vulnerability Intelligence Report
Cisco IOS Denial-of-Service Vulnerability
CVE-2004-1464
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
5.9
MEDIUM
Exploitability:2.3
Impact Score:3.6
EPSS Probability:5.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-400 ↗CWE-400 Uncontrolled Resource Consumption
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| cisco | ios | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2005-02-13T00:00:00 |
| Published | 2005-02-13T05:00:00 |
| Patch Date | 2004-08-27 |
| Last Updated | 2025-10-22T00:05:57 |
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