CVE-2004-1464

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.048 · 92 %ileEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

4.84% (92nd) EPSS

CVSS 5 · medium

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

added 2023-05-19remediate by 2023-06-09

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 2.2 · impact 3.6

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimary

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco ios≤ 12.2\(15\)zj3nvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2004-12-31modified 2026-06-16

related (9,591)

Related entries.

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+9586 more

references (13)

External citations — patches, advisories, analysis.

http://secunia.com/advisories/12395/enisa_euvd
http://securitytracker.com/id?1011079 enisa_euvd
http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml enisa_euvd
http://www.kb.cert.org/vuls/id/384230 enisa_euvd
http://www.securityfocus.com/bid/11060 enisa_euvd
https://exchange.xforce.ibmcloud.com/vulnerabilities/17131 enisa_euvd
http://secunia.com/advisories/12395/Broken LinkVendor Advisorynvd
http://securitytracker.com/id?1011079Broken LinkThird Party AdvisoryVDB Entrynvd

scry

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