TWiki 4.0.5 and earlier, when running under Apache 1.3 using ApacheLogin with sessions and "ErrorDocument 401" redirects to a valid wiki topic, does not properly handle failed login attempts, which allows remote attackers to read arbitrary content by cancelling out of a failed authentication with a valid username and invalid password.
2006-12-02T02:28:00.000
2025-04-09T00:30:58.490
Deferred
CVSSv2: 9.0 (HIGH)
AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0