The original design of TCP does not require that port numbers be assigned randomly (aka "Port randomization"), which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with forged "Destination Unreachable" messages, (2) blind throughput-reduction attacks with forged "Source Quench" messages, or (3) blind throughput-reduction attacks with forged ICMP messages that cause the Path MTU to be reduced. NOTE: CVE-2004-0790, CVE-2004-0791, and CVE-2004-1060 have been SPLIT based on different attacks; CVE-2005-0065, CVE-2005-0066, CVE-2005-0067, and CVE-2005-0068 are related identifiers that are SPLIT based on the underlying vulnerability. While CVE normally SPLITs based on vulnerability, the attack-based identifiers exist due to the variety and number of affected implementations and solutions that address the attacks instead of the underlying vulnerabilities.
CVE-2005-0067
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 13%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 96.0%
- KEV
- Not listed
Published
December 22, 2004
Last Modified
June 16, 2026
References (4)
- cve@mitrehttp://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html
- cve@mitrehttp://www.securityfocus.com/bid/13124
- af854a3a-2127-422b-91ae-364da2661108http://www.gont.com.ar/drafts/icmp-attacks-against-tcp.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/13124
Data Freshness Timeline
(refreshed 4× in last 7d / 28× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2005-0067?
CVE-2005-0067 is a none vulnerability published on December 22, 2004. The original design of TCP does not require that port numbers be assigned randomly (aka "Port randomization"), which makes it easier for attackers to forge ICMP error messages for specific TCP connections and cause a denial of service, as demonstrated using (1) blind connection-reset attacks with…
When was CVE-2005-0067 disclosed?
CVE-2005-0067 was first published in the National Vulnerability Database on December 22, 2004, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2005-0067 actively exploited?
CVE-2005-0067 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-0067?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-0067, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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