CVE-2004-1464 kev in the critical feed json
Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a cra…
published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1458
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Exploited
- added 2023-05-19
- epss
- 4.8%
- EPSS 4.8% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action Apply updates per vendor instructions.
- kb.cert.org/vuls/id/384230 advisory
Timeline
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 3 y ago
- Patch by
- 2023-06-09 (3 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Cisco, IOS
- CISA name
- Cisco IOS Denial-of-Service Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
4.84% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
- Technology feeds
References
-
kb.cert.org
/vuls/id/384230
third-party-advisory, patch, us-government-resource
-
cisco.com
/warp/public/707/cisco-sa-20040827-telnet.shtml
vendor-advisory, not-applicable
-
secunia.com
/advisories/12395/
third-party-advisory, broken-link, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/17131
vdb-entry, third-party-advisory
-
securitytracker.com
/id?1011079
vdb-entry, broken-link, third-party-advisory
-
securityfocus.com
/bid/11060
vdb-entry, broken-link, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
government-resource, us-government-resource
Sources
- CVE List CVE-2004-1464
- NVD CVE-2004-1464
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.