Description
Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."
Published: 2004-06-15
Score: 5.0 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2004-0550 Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack."
History

No history.

Subscriptions

Cisco Catalyst 2901 Catalyst 2902 Catalyst 2926 Catalyst 2926f Catalyst 2926gl Catalyst 2926gs Catalyst 2926t Catalyst 2948 Catalyst 2948-ge-tx Catalyst 2948g-l3 Catalyst 2980g Catalyst 2980g-a Catalyst 4000 Catalyst 4500 Catalyst 4503 Catalyst 4506 Catalyst 4507r Catalyst 4510r Catalyst 4912g Catalyst 5000 Catalyst 6000 Ws-svc-nam-1 Catalyst 6000 Ws-svc-nam-2 Catalyst 6000 Ws-x6380-nam Catos
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T00:24:26.408Z

Reserved: 2004-06-11T00:00:00.000Z

Link: CVE-2004-0551

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2004-08-06T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2004-0551

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses