CVE-2004-1464 KEV
5.9
MEDIUM · CVSS 3.1 · EPSS 4.8% (pctl 92)
Patch first
On CISA KEV — known exploited in the wild, due 2023-06-09.
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.
Scoring
| CVSS | 5.9 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 4.84% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-400 |
| On CISA KEV | yes — remediate by 2023-06-09 |
| Public exploit | none known |
| Published | 2004-12-31 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Cisco IOS Denial-of-Service Vulnerability |
|---|---|
| Added | 2023-05-19 |
| Due | 2023-06-09 |
| Vendor / product | Cisco / IOS |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| cisco | ios |
References
- http://secunia.com/advisories/12395/
- http://securitytracker.com/id?1011079
- http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
- http://www.kb.cert.org/vuls/id/384230
- http://www.securityfocus.com/bid/11060
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
- http://secunia.com/advisories/12395/
- http://securitytracker.com/id?1011079
- http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
- http://www.kb.cert.org/vuls/id/384230
- http://www.securityfocus.com/bid/11060
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17131
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2004-1464
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