CVE-2001-0830

Name: CVE-2001-0830
Creator: NVD / NIST
Published: 2001-12-06T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.67%

Last modified Jun 16, 2026

CVE-2001-0830 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 5.67% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.67%

92.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-772

Affected Software

Vendor	Product	Versions
6tunnel Project	6tunnel	<= 0.08

References

ftp://213.146.38.146/pub/wojtekka/6tunnel-0.09.tar.gzBroken Link
http://marc.info/?l=bugtraq&m=100386451702966&w=2Exploit, Mailing List
http://www.securityfocus.com/bid/3467Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/7337Third Party Advisory, VDB Entry
ftp://213.146.38.146/pub/wojtekka/6tunnel-0.09.tar.gzBroken Link
http://marc.info/?l=bugtraq&m=100386451702966&w=2Exploit, Mailing List
http://www.securityfocus.com/bid/3467Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/7337Third Party Advisory, VDB Entry

Timeline

Published: Dec 6, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-0830?

How severe is CVE-2001-0830?

CVE-2001-0830 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.67% probability of exploitation in the next 30 days.

How do I fix CVE-2001-0830?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-0830?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST