Weakness (CWE)
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it (1 mitigation)
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Architecture and Design
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE-287
1,204 results · Clear filters · Feed
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High 8.1
An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-a…
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High 7.2
Improper authentication in the Intel(R) In-Band Manageability software before version 2.13.0 may allow a privileged use…
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High 8.1
Bypass of Splunk Enterprise's implementation of DUO MFA
A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does…
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High 7.1
Improper authentication in Photo Station
An improper authentication vulnerability has been reported to affect QNAP device running Photo Station. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versi…
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High 7.1
Improper authentication in Video Station
An improper authentication vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versi…
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High 7.5
Authentication bypass and denial of service (DoS) vulnerabilities in Apple Game Center auth adapter
Improper validation of the Apple certificate URL in the Apple Game Center authentication adapter allows attackers to bypass authentication, making the server vulnerable to DoS attacks. The vulnerability has been fixed by improving the URL validation and addin…
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High 8.4
Broken authentication on Logitech Options due to misvalidation of Oauth state parameter
An issue was discovered in Logitech Options. The OAuth 2.0 state parameter was not properly validated. This leaves applications vulnerable to CSRF attacks during authentication and authorization operations.
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High 7.4
FreeRDP Server authentication might allow invalid credentials to pass
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 2.7.0, server side authentication against a `SAM` file might be successful for invalid credentials if the server has configured an invalid `SAM` file path. FreeRDP based c…
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High 7.3
Multi factor authentication bypass in django-mfa3
django-mfa3 is a library that implements multi factor authentication for the django web framework. It achieves this by modifying the regular login view. Django however has a second login view for its admin area. This second login view was not modified, so the…
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High 7.3
SAP Information System POST Request add_admin.php improper authentication
A vulnerability was found in SAP Information System 1.0 which has been rated as critical. Affected by this issue is the file /SAP_Information_System/controllers/add_admin.php. An unauthenticated attacker is able to create a new admin account for the web appli…
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High 7.3
SourceCodester One Church Management System Session userregister.php improper authentication
A vulnerability classified as critical was found in SourceCodester One Church Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /one_church/userregister.php. The manipulation leads to authentication bypass. The atta…
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High 7.5
IPTIME NAS2dual improper authentication vulnerability
An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing …
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High 7.5
Improper Authentication in FreeTAKServer
An access control issue in the component /ManageRoute/postRoute of FreeTAKServer v1.9.8 allows unauthenticated attackers to cause a Denial of Service (DoS) via an unusually large amount of created routes, or create unsafe or false routes for legitimate users.
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High 8.9
A CWE-287: Improper Authentication vulnerability exists that could cause an attacker to arbitrarily change the behavior…
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High 8.1
Account compromise in Evmos
Evmos is the Ethereum Virtual Machine (EVM) Hub on the Cosmos Network. In versions of evmos prior to 2.0.1 attackers are able to drain unclaimed funds from user addresses. To do this an attacker must create a new chain which does not enforce signature verific…
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High 7.8
A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. T…
KEV Jun 2, 2026 -
High 7.5
Unauthenticated control plane denial of service attack in Istio
Istio is an open platform to connect, manage, and secure microservices. In affected versions the Istio control plane, `istiod`, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted message which results in …
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High 8.1
Improper write access check in Requarks/wiki
Wiki.js is a wiki app built on Node.js. In affected versions an authenticated user with write access on a restricted set of paths can update a page outside the allowed paths by specifying a different target page ID while keeping the path intact. The access co…
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High 8.8
Privilege escalation using hop-by-hop Connection header
capsule-proxy is a reverse proxy for Capsule Operator which provides multi-tenancy in Kubernetes. In versions prior to 0.2.1 an attacker with a proper authentication mechanism may use a malicious `Connection` header to start a privilege escalation attack towa…
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High 8.8
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NET…
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High 7.8
Limited authentication bypass vulnerability on Western Digital My Cloud devices
A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting ru…
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High 8.3
Lack of websocket authentication in Lens causes remote code execution when visiting a malicious website
Linux users running Lens 5.2.6 and earlier could be compromised by visiting a malicious website. The malicious website could make websocket connections from the victim's browser to Lens and so operate the local terminal feature. This would allow the attacker …
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High 8.0
SUN & MOON RISE CO., LTD. Shockwall - Improper Authentication
The server-request receiver function of Shockwall system has an improper authentication vulnerability. An authenticated attacker of an agent computer within the local area network can use the local registry information to launch server-side request forgery (S…
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High 7.1
Improper Authentication in Qfile
An improper authentication vulnerability has been reported to affect Android App Qfile. If exploited, this vulnerability allows attackers to compromise app and access information We have already fixed this vulnerability in the following versions of Qfile: Qfi…
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High 7.3
Mesa Labs AmegaView improper authentication
Mesa Labs AmegaView Versions 3.0 and prior’s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device.
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High 7.5
TCMAN GIM SQL injection vulnerability
TCMAN GIM is vulnerable to a lack of authorization in all available webservice methods listed in /PC/WebService.asmx. The exploitation of this vulnerability might allow a remote attacker to obtain information.
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High 8.1
Account takeover in eLabFTW
eLabFTW is an electronic lab notebook manager for research teams. In versions prior to 4.2.0 there is a vulnerability which allows any authenticated user to gain access to arbitrary accounts by setting a specially crafted email address. This vulnerability imp…
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High 8.1
Improper Authentication in Flask-AppBuilder
Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate an…
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High 7.5
Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that…
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High 7.3
Potential bypass of an upstream access control based on URL paths in Django
In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.
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High 8.8
Improper Authentication in HashiCorp Nomad
HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task driver enabled, allowed authenticated users with job submission capabilities to bypass the configured allowed image paths. Fixed in 1.0.14, 1.1.8, and 1.2.1.
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High 8.8
Improper Authentication Vulnerability in VioStor
An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of QVR: Q…
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High 8.1
Networking OS10, versions prior to October 2021 with RESTCONF API enabled, contains an authentication bypass vulnerabil…
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High 7.5
Affected versions of Atlassian Jira Server and Data Center allow a remote attacker who has had their access revoked fro…
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High 7.5CVE-2021-37624 Public exploit
FreeSWITCH does not authenticate SIP MESSAGE requests, leading to spam and message spoofing
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.7, FreeSWITCH does not authenticate SIP MESSAGE reques…
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High 8.1
Authentication bypass in Pterodactyl
Pterodactyl is an open-source game server management panel built with PHP 7, React, and Go. A malicious user can modify the contents of a `confirmation_token` input during the two-factor authentication process to reference a cache value not associated with th…
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High 7.2
Deleted Admin Can Sign In to Admin Interface
October is a Content Management System (CMS) and web platform built on the the Laravel PHP Framework. In affected versions administrator accounts which had previously been deleted may still be able to sign in to the backend using October CMS v2.0. The issue h…
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High 7.5
furlongm openvpn-monitor allows Authorization Bypass to disconnect arbitrary clients
furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.
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High 8.0
DCS-5000L v1.05 and DCS-932L v2.17 and older are affecged by Incorrect Acess Control. The use of the basic authenticati…
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High 7.5
Authentication Bypass: Forged Tokens Allow Access to Arbitrary Rooms
Jitsi Meet is an open source video conferencing application. In versions prior to 2.0.5963, a Prosody module allows the use of symmetrical algorithms to validate JSON web tokens. This means that tokens generated by arbitrary sources can be used to gain author…