CVE-2004-1464
Detail
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
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This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
Vulnerability Name
Date Added
Due Date
Required Action
Cisco IOS Denial-of-Service Vulnerability
05/19/2023
06/09/2023
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-400
Uncontrolled Resource Consumption
NIST
CISA-ADP
Change History
13 change records found show changes
Modified Analysis by NIST 4/16/2026 10:03:22 AM
Action
Type
Old Value
New Value
Added
CWE
CWE-400
Removed
CWE
NVD-CWE-noinfo
Added
Reference Type
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464 Types: US Government Resource
CVE Status Change 4/15/2026 8:27:16 PM
Action
Type
Old Value
New Value
CVE Modified by CISA-ADP 10/21/2025 9:15:31 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
CVE Modified by CISA-ADP 10/21/2025 4:15:47 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
CVE Modified by CISA-ADP 10/21/2025 3:15:46 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
CVE Modified by CISA-ADP 7/29/2025 11:15:27 PM
Action
Type
Old Value
New Value
Added
CWE
CWE-400
CVE Modified by CISA-ADP 2/07/2025 10:15:10 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Modified Analysis by NIST 12/19/2024 3:06:18 PM
Action
Type
Old Value
New Value
CVE Modified by CVE 11/20/2024 6:50:56 PM
Action
Type
Old Value
New Value
Added
Reference
http://secunia.com/advisories/12395/
Added
Reference
http://securitytracker.com/id?1011079
Added
Reference
http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
Added
Reference
http://www.kb.cert.org/vuls/id/384230
Added
Reference
http://www.securityfocus.com/bid/11060
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
Modified Analysis by NIST 6/27/2024 3:22:44 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CPE Configuration
OR
*cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* versions up to (including) 12.2\(15\)zj3
Removed
CPE Configuration
Record truncated, showing 2048 of 19302 characters.
View Entire Change Record
OR
*cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* versions up to (including) 12.2
*cpe:2.3:o:cisco:ios:12.2\(1\):*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)dx:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)s:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)t:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xa:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xd:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xd1:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xd3:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xd4:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xe:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xe2:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xe3:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xh:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xq:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xs:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1\)xs1:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1.1\):*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1.1\)pi:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1.4\)s:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1b\):*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1b\)da1:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(1d\):*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)b:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)bx:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)by:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)by2:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)dd3:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)t:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)t1:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)t4:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xa:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xa1:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xa5:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xb:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xb3:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xb4:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)xb11:*:*:*:*:*:*:*
*cpe:2.3:o:cisco:ios:12.2\(2\)x
Changed
Reference Type
http://secunia.com/advisories/12395/ Vendor Advisory
http://secunia.com/advisories/12395/ Broken Link, Vendor Advisory
Changed
Reference Type
http://securitytracker.com/id?1011079 No Types Assigned
http://securitytracker.com/id?1011079 Broken Link, Third Party Advisory, VDB Entry
Changed
Reference Type
http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml Vendor Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml Not Applicable, Vendor Advisory
Changed
Reference Type
http://www.securityfocus.com/bid/11060 No Types Assigned
http://www.securityfocus.com/bid/11060 Broken Link, Third Party Advisory, VDB Entry
Changed
Reference Type
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131 No Types Assigned
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131 Third Party Advisory, VDB Entry
CVE Modified by MITRE 5/13/2024 9:26:36 PM
Action
Type
Old Value
New Value
CVE Modified by MITRE 7/10/2017 9:31:03 PM
Action
Type
Old Value
New Value
Added
Reference
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131 [No Types Assigned]
Removed
Reference
http://xforce.iss.net/xforce/xfdb/17131 [No Types Assigned]
Initial CVE Analysis 6/28/2005 9:29:00 AM
Action
Type
Old Value
New Value
Quick Info
CVE Dictionary Entry: CVE-2004-1464 NVD
Published Date: 12/31/2004 NVD
Last Modified: 04/16/2026
Source: MITRE