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CVE-2005-1184

MediumPublished

The TCP/IP stack in multiple operating systems allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the correct...

Published: Apr 19, 2005
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Dec 13, 2004

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

32.7%

Moderate · next 30 days

Percentile: 98.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The TCP/IP stack in multiple operating systems allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the correct sequence number but the wrong Acknowledgement number, which generates a large number of "keep alive" packets. NOTE: some followups indicate that this issue could not be replicated.

Sources

Multiple Vendor - TCP Session Acknowledgement Number Denial of ServiceExploit
Antonio M. D. S. Fortes · multiple · Dec 13, 2004

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