CVE-2006-6263

high

Description

Teredo clients, when source routing is enabled, recognize a Routing header in an encapsulated IPv6 packet and send the packet to the next hop, which might allow remote attackers to bypass policies of certain Internet gateways that drop all source-routed packets.

References

http://www.symantec.com/avcenter/reference/Teredo_Security.pdf

http://www.securityfocus.com/archive/1/452996/100/0/threaded

http://www.securityfocus.com/archive/1/452989/100/0/threaded

Details

Source: Mitre, NVD

Published: 2006-12-04

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.09653