AEGLIX vulnerability intelligence
CVE-2004-1464
MEDIUM · CVSS 5.9 · Analyzed
Published: 2004-12-31 · Updated: 2026-06-16 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 5.9 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Cisco · IOS
- Added to catalog
- 2023-05-19
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2023-06-09
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
Through (inclusive): 12.2\(15\)zj3
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://secunia.com/advisories/12395/
Broken Link · Vendor Advisory
- http://securitytracker.com/id?1011079
Broken Link · Third Party Advisory · VDB Entry
- http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
Not Applicable · Vendor Advisory
- http://www.kb.cert.org/vuls/id/384230
Patch · Third Party Advisory · US Government Resource
- http://www.securityfocus.com/bid/11060
Broken Link · Third Party Advisory · VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
Third Party Advisory · VDB Entry
- http://secunia.com/advisories/12395/
Broken Link · Vendor Advisory
- http://securitytracker.com/id?1011079
Broken Link · Third Party Advisory · VDB Entry
- http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
Not Applicable · Vendor Advisory
- http://www.kb.cert.org/vuls/id/384230
Patch · Third Party Advisory · US Government Resource
- http://www.securityfocus.com/bid/11060
Broken Link · Third Party Advisory · VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
Third Party Advisory · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
US Government Resource