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CVE

CVE-2004-1464

Cisco IOS Denial-of-Service Vulnerability

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.

MEDIUM · CVSS 5.9 ⚠ CISA KEV EPSS 0.02204
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  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

1
cisco ios<= 12.2\(15\)zj3
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Dec 2004 · 05:00 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2004-1464
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/12395/Broken LinkVendor Advisory
http://securitytracker.com/id?1011079Broken LinkThird Party AdvisoryVDB Entry
http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtmlNot ApplicableVendor Advisory
http://www.kb.cert.org/vuls/id/384230PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/11060Broken LinkThird Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131Third Party AdvisoryVDB Entry
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