Dahua DVR 2.608.0000.0 and 2.608.GV00.0 allows remote attackers to bypass authentication and obtain sensitive information including user credentials, change user passwords, clear log files, and perform other actions via a request to TCP port 37777.

Unspecified vulnerability in HP Intelligent Management Center (iMC) and HP IMC Service Operation Management Software Module allows remote attackers to bypass authentication via unknown vectors, aka ZDI-CAN-1644.

Roxy-wi is an open source web interface for managing Haproxy, Nginx, Apache and Keepalived servers. A vulnerability in Roxy-wi allows a remote, unauthenticated attacker to bypass authentication and access admin functionality by sending a specially crafted HTTP request. This affects Roxywi versions before 6.1.1.0. Users are advised to upgrade. There are no known workarounds for this issue.

An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.

Hanwha Techwin SRN-4000, SRN-4000 firmware versions prior to SRN4000_v2.16_170401, A specially crafted http request and response could allow an attacker to gain access to the device management page with admin privileges without proper authentication.

An Improper Authentication issue was discovered in Newport XPS-Cx and XPS-Qx. An attacker may bypass authentication by accessing a specific uniform resource locator (URL).

A Use of Client-Side Authentication issue was discovered in Advantech B+B SmartWorx MESR901 firmware versions 1.5.2 and prior. The web interface uses JavaScript to check client authentication and redirect unauthorized users. Attackers may intercept requests and bypass authentication to access restricted web pages.

PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to incorrect authentication flaw allowing remote attackers to gain access to database accounts with an empty password.

In ABB IP GATEWAY 3.39 and prior, by accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access the configuration files and application pages without authentication.

A remote attacker could bypass the Sandstorm organization restriction before build 0.203 via a comma in an email-address field.

T-Com Speedport 500V routers with firmware 1.31 allow remote attackers to bypass authentication and reconfigure the device via a LOGINKEY=TECOM cookie value.

A vulnerability in the authentication module of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication. The vulnerability is due to improper handling of authentication requests and policy assignment for externally authenticated users. An attacker could exploit this vulnerability by authenticating with a valid external user account that matches an internal username and incorrectly receiving the authorization policy of the internal account. An exploit could allow the attacker to have Super Admin privileges for the ISE Admin portal. This vulnerability does not affect endpoints authenticating to the ISE. The vulnerability affects Cisco ISE, Cisco ISE Express, and Cisco ISE Virtual Appliance running Release 1.3, 1.4, 2.0.0, 2.0.1, or 2.1.0. Release 2.2.x is not affected. Cisco Bug IDs: CSCvb10995.

xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.

AVTECH AVN801 DVR has a security bypass via the administration login captcha

An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Attackers can login with the hashed password itself (e.g., from the DB) instead of the valid password string.

An Authentication Bypass by Capture-Replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.

It was noticed that a malicious process impersonating an Impala daemon in Apache Impala (incubating) 2.7.0 to 2.8.0 could cause Impala daemons to skip authentication checks when Kerberos is enabled (but TLS is not). If the malicious server responds with 'COMPLETE' before the SASL handshake has completed, the client will consider the handshake as completed even though no exchange of credentials has happened.

The (1) REST and (2) memcache interfaces in the Hazelcast cluster API in Open-Xchange AppSuite 7.0.x before 7.0.2-rev15 and 7.2.x before 7.2.2-rev16 do not require authentication, which allows remote attackers to obtain sensitive information or modify data via an API call.

An exploitable vulnerability exists in the generation of authentication token functionality of Circle with Disney. Specially crafted network packets can cause a valid authentication token to be returned to the attacker resulting in authentication bypass. An attacker can send a series of packets to trigger this vulnerability.

OpUtils in Zoho ManageEngine OpManager 12.5 before 125490 mishandles authentication for a few audit directories.

logahead UNU 1.0 before 20061226 allows remote attackers to upload arbitrary files via unspecified vectors related to plugins/widged/_widged.php (aka the WidgEd plugin), possibly because of an authentication bypass. NOTE: some of these details are obtained from third party information.

EMC Isilon InsightIQ 4.1.0, 4.0.1, 4.0.0, 3.2.2, 3.2.1, 3.2.0, 3.1.1, 3.1.0, 3.0.1, 3.0.0 is affected by an authentication bypass vulnerability that could potentially be exploited by attackers to compromise the affected system.

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, use of the ap_get_basic_auth_pw() by third-party modules outside of the authentication phase may lead to authentication requirements being bypassed.

VCM5010 with software versions earlier before V100R002C50SPC100 has an authentication bypass vulnerability. This is due to improper implementation of authentication for accessing web pages. An unauthenticated attacker could bypass the authentication by sending a crafted HTTP request. 5010 with software versions earlier before V100R002C50SPC100 has an arbitrary file upload vulnerability. The software does not validate the files that uploaded. An authenticated attacker could upload arbitrary files to the system.

lib/Auth/Source/External.php in the drupalauth module before 1.2.2 for simpleSAMLphp allows remote attackers to authenticate as an arbitrary user via the user name (uid) in a cookie.

Chat Server is the chat server for Vartalap, an open-source messaging application. Versions 2.3.2 until 2.6.0 suffer from a bug in validating the access token, resulting in authentication bypass. The function `this.authProvider.verifyAccessKey` is an async function, as the code is not using `await` to wait for the verification result. Every time the function responds back with success, along with an unhandled exception if the token is invalid. A patch is available in version 2.6.0.

The server components in Objectivity/DB 10.0 do not require authentication for administrative commands, which allows remote attackers to modify data, obtain sensitive information, or cause a denial of service by sending requests over TCP to (1) the Lock Server or (2) the Advanced Multithreaded Server, as demonstrated by commands that are ordinarily sent by the (a) ookillls and (b) oostopams applications. NOTE: some of these details are obtained from third party information.

The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.

Paid To Read Script 2.0.5 has authentication bypass in the admin panel via a direct request, as demonstrated by the admin/viewvisitcamp.php fn parameter and the admin/userview.php uid parameter.

A CWE-287: Improper Authentication vulnerability exists that could allow an attacker to take over the admin account when an attacker hijacks a session. Affected Products: Wiser Smart, EER21000 & EER21001 (V4.5 and prior)

The update function in umbraco.webservices/templates/templateService.cs in the TemplateService component in Umbraco CMS before 6.0.4 does not require authentication, which allows remote attackers to execute arbitrary ASP.NET code via a crafted SOAP request.

The UserPro plugin before 4.9.17.1 for WordPress, when used on a site with the "admin" username, allows remote attackers to bypass authentication and obtain administrative access via a "true" value for the up_auto_log parameter in the QUERY_STRING to the default URI.

importbuddy.php in the BackupBuddy plugin 1.3.4, 2.1.4, 2.2.25, 2.2.28, and 2.2.4 for WordPress allows remote attackers to bypass authentication via a crafted integer in the step parameter.

An authentication bypass exists in the web management interface in Belkin F5D8236-4 v2.

importbuddy.php in the BackupBuddy plugin 1.3.4, 2.1.4, 2.2.25, 2.2.28, and 2.2.4 for WordPress does not require that authentication be enabled, which allows remote attackers to obtain sensitive information, or overwrite or delete files, via vectors involving a (1) direct request, (2) step=1 request, (3) step=2 or step=3 request, or (4) step=7 request.

An Authentication Bypass vulnerability exists in NETGEAR Centria WNDR4700 Firmware 1.0.0.34 in http://<router_ip>/apply.cgi?/hdd_usr_setup.htm that when visited by any user, authenticated or not, causes the router to no longer require a password to access the web administration portal.

NETGEAR Centria WNDR4700 devices with firmware 1.0.0.34 allow authentication bypass.

Monkey HTTP Daemon: broken user name authentication

In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.

A vulnerability was found in Clash up to 0.20.1 on Windows. It has been declared as critical. This vulnerability affects unknown code of the component Proxy Port. The manipulation leads to improper authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. VDB-267406 is the identifier assigned to this vulnerability.

SQL-Ledger 2.4.4 through 2.6.17 authenticates users by verifying that the value of the sql-ledger-[username] cookie matches the value of the sessionid parameter, which allows remote attackers to gain access as any logged-in user by setting the cookie and the parameter to the same value.

SAP Business Intelligence Promotion Management Application, Enterprise 4.10, 4.20, and 4.30, does not perform authentication checks for functionalities that require user identity.

Microsoft .NET Framework 4.5 does not properly create policy requirements for custom Windows Communication Foundation (WCF) endpoint authentication in certain situations involving passwords over HTTPS, which allows remote attackers to bypass authentication by sending queries to an endpoint, aka "Authentication Bypass Vulnerability."

Google Chrome before 25.0.1364.152 does not properly manage the interaction between the browser process and renderer processes during authorization of the loading of a plug-in, which makes it easier for remote attackers to bypass intended access restrictions via vectors involving a blocked plug-in.

An attacker can log into the local Niagara platform (Niagara AX Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4 and prior) using a disabled account name and a blank password, granting the attacker administrator access to the Niagara system.

lib/MT/Upgrade.pm in mt-upgrade.cgi in Movable Type 4.2x and 4.3x through 4.38 does not require authentication for requests to database-migration functions, which allows remote attackers to conduct eval injection and SQL injection attacks via crafted parameters, as demonstrated by an eval injection attack against the core_drop_meta_for_table function, leading to execution of arbitrary Perl code.

The management GUI on the IBM SAN Volume Controller and Storwize V7000 6.x before 6.4.1.3 allows remote attackers to bypass authentication and obtain superuser access via IP packets.

Session fixation vulnerability in Jetbox CMS 2.1 SR1 allows remote attackers to hijack web sessions via a crafted link and the administrator section.

EZ-Blog Beta 1 does not require authentication, which allows remote attackers to create or delete arbitrary posts via requests to PHP scripts.

Sangoma FreePBX 115.0.16.26 and below, 14.0.13.11 and below, 13.0.197.13 and below have Incorrect Access Control.