The (1) CHAP and (2) MS-CHAP-V2 authentication capabilities in the PPP Access Concentrator (PPPAC) function in Internet Initiative Japan SEIL/B1 firmware 1.00 through 2.52 use the same challenge for each authentication attempt, which allows remote attackers to bypass authentication via a replay attack.

AustinSmoke GasTracker (AS-GasTracker) 1.0.0 allows remote attackers to bypass authentication and gain privileges by setting the gastracker_admin cookie to TRUE.

Admin.php in Web Slider 0.6 allows remote attackers to bypass authentication and gain privileges by setting the admin cookie to 1.

MyPicGallery 1.0 allows remote attackers to bypass application authentication and gain administrative access by setting the userID parameter to "admin" in a direct request to admin/addUser.php.

The administration application server in Sun Java Active Server Pages (ASP) Server before 4.0.3 allows remote attackers to bypass authentication via direct requests on TCP port 5102.

js/pages/pages_data.php in AuraCMS 2.2 through 2.2.2 does not perform authentication, which allows remote attackers to add, edit, and delete web content via a modified id parameter.

Scripteen Free Image Hosting Script 1.2 and 1.2.1 allows remote attackers to bypass authentication and gain administrative access by setting the cookid cookie value to 1.

The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.

constants.inc in EZWebAlbum 1.0 allows remote attackers to bypass authentication and gain administrator privileges by setting the photoalbumadmin cookie, as demonstrated via addpage.php.

eSyndiCat 1.6 allows remote attackers to bypass authentication and gain administrative access by setting the admin_lng cookie value to 1. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

The Vonage Motorola Phone Adapter VT 2142-VD does not properly verify that a SIP INVITE message originated from a legitimate server, which allows remote attackers to send spoofed INVITE messages, as demonstrated by a flood of messages triggering a denial of service, and by phone calls with malicious content.

SQLLoginModule in Apache Geronimo 2.0 through 2.1 does not throw an exception for a nonexistent username, which allows remote attackers to bypass authentication via a login attempt with any username not contained in the database.

Mail in Apple Mac OS X 10.4.11 and 10.5.1, when an SMTP account has been set up using Account Assistant, can use plaintext authentication even when MD5 Challenge-Response authentication is available, which makes it easier for remote attackers to sniff account activity.

Java in Mac OS X 10.4 through 10.4.11 allows remote attackers to bypass Keychain access controls and add or delete arbitrary Keychain items via a crafted Java applet.

dirsys/modules/auth.php in JBC Explorer 7.20 RC1 and earlier does not require authentication, which allows remote attackers to (1) delete auth.inc.php via the suppr parameter, and (2) re-create the auth.inc.php file with contents that specify a new account name and password for JBC Explorer via the login and password parameters.

details.php in BtiTracker before 1.4.5, when torrent viewing is disabled for guests, allows remote attackers to bypass protection mechanisms via a direct request, as demonstrated by (1) reading the details of an arbitrary torrent and (2) modifying a torrent owned by a guest.

blocks/shoutbox_block.php in BtiTracker 1.4.4 does not verify user accounts, which allows remote attackers to post shoutbox entries as arbitrary users via a modified nick field.

Unspecified vulnerability in main.php of BugHotel Reservation System before 4.9.9 P3 allows remote attackers to bypass authentication and gain administrative access via unspecified vectors. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Unspecified vulnerability in the Image Converter functionality in BEA WebLogic Mobility Server 3.3, 3.5, and 3.6 through 3.6 SP1 allows remote attackers to obtain application file and resource access via unspecified vectors.

The proxy server in Kerio WinRoute Firewall before 6.4.1 does not properly enforce authentication for HTTPS pages, which has unknown impact and attack vectors. NOTE: it is not clear whether this issue crosses privilege boundaries.