CVE-2001-0830
6tunnel 0.08 and earlier does not properly close sockets that were initiated by a client, which...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-0830- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-772
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-0830- Updated
- 2026-11-02
EUVDEUVD-2001-0813 No score
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.
- Record
EUVD-2001-0813- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x6j7-c99q-rch9 No score
6tunnel 0.08 and earlier does not properly close sockets that were initiated by a client, which...
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.
- Record
GHSA-x6j7-c99q-rch9- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | 6Tunnel 0.6/0.7/0.8 - Connection Close State Denial of Service | 2001-10-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-0830 is a high vulnerability (CVSS 7.5) in 6tunnel Project 6tunnel, published December 6, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.67%, the 92nd percentile. No source names a fixed version.