CVE-2001-0830

7.5
HIGHCVSS v3.1 Base Score
5.67%
LOW RiskEPSS (93rd percentile)

6tunnel 0.08 and earlier does not properly close sockets that were initiated by a client, which allows remote attackers to cause a denial of service (resource exhaustion) by repeatedly connecting to and disconnecting from the server.

Published: 12/6/2001
Modified: 6/16/2026
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Vulnerability Summary

CVSS v3 Score

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2 Score

5

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

EPSS Score (Exploitation Probability)

5.67%LOW Exploitation Risk
93rd percentile

This vulnerability has a 5.67% probability of being exploited in the next 30 days, ranking higher than 93% of all scored CVEs.

CWE Classification

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