Overview
Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20040827-telnet; https://nvd.nist.gov/vuln/detail/CVE-2004-1464
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2004-1464 |
| Vendor / Product | Cisco — IOS |
| NVD Published | 2004-12-31 |
| NVD Last Modified | 2025-10-22 |
| CVSS 3.1 Score | 5.9 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Severity | MEDIUM |
| CISA KEV Added | 2023-05-19 |
| CISA KEV Deadline | 2023-06-09 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2023-06-09.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2023-05-19 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-06-09 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2004-1464 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |