Weakness (CWE)
CWE-863: Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
How to prevent it (5 mitigations)
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Architecture and Design
Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
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Architecture and Design
Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
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Architecture and Design
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
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Architecture and Design
For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
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System Configuration, Installation
Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.
Source: MITRE CWE-863
4,329 results · Feed
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Medium 4.4
Internal hidden fields are visible on to many associations in admin api
Shopware is an open source eCommerce platform. In versions prior to 6.4.1.1 the admin api has exposed some internal hidden fields when an association has been loaded with a to many reference. Users are recommend to update to version 6.4.1.1. You can get the u…
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High 7.5
Possible bypass of token claim validation when OAuth2 Introspection caching is enabled
ORY Oathkeeper is an Identity & Access Proxy (IAP) and Access Control Decision API that authorizes HTTP requests based on sets of Access Rules. When you make a request to an endpoint that requires the scope `foo` using an access token granted with that `foo` …
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Unscored —
A flaw was discovered in gfs2 file system’s handling of acls (access control lists). An unprivileged local attacker cou…
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Unscored —
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwis…
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Unscored —
Comments Like Dislike < 1.1.4 - Add Like/Dislike Bypass
The Comments Like Dislike WordPress plugin before 1.1.4 allows users to like/dislike posted comments, however does not prevent them from replaying the AJAX request to add a like. This allows any user (even unauthenticated) to add unlimited like/dislike to any…
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Medium 6.5
Incorrect permission check in XebiaLabs XL Deploy Plugin allows capturing credentials
An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing …
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Medium 6.5
Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to byp…
KEV Jun 27, 2022 -
High 8.1
Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities
Multiple vulnerabilities in the authorization process of Cisco ASR 5000 Series Software (StarOS) could allow an authenticated, remote attacker to bypass authorization and execute a subset of CLI commands on an affected device. For more information about these…
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High 8.1
Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities
Multiple vulnerabilities in the authorization process of Cisco ASR 5000 Series Software (StarOS) could allow an authenticated, remote attacker to bypass authorization and execute a subset of CLI commands on an affected device. For more information about these…
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Unscored —
Foreman versions before 2.3.4 and before 2.4.0 is affected by an improper authorization handling flaw. An authenticated…
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Medium 5.6
Improper Input Validation
A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availabilit…
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Unscored —
A flaw was found in the BPMN editor in version jBPM 7.51.0.Final. Any authenticated user from any project can see the n…
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High 8.8
Users registered with email verification can self re-activate their disabled accounts
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In versions prior to 11.10.13, 12.6.7, and 12.10.2, a user disabled on a wiki using email verification for registration canouldre-activate themself by usi…
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Critical 9.8
Static imports inside dynamically imported modules do not adhere to permission checks
Deno is a runtime for JavaScript and TypeScript that uses V8 and is built in Rust. In Deno versions 1.5.0 to 1.10.1, modules that are dynamically imported through `import()` or `new Worker` might have been able to bypass network and file system permission che…
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Medium 4.0
Permissions bypass in SmallRye
A flaw was found in SmallRye's API through version 1.6.1. The API can allow other code running within the application server to potentially obtain the ClassLoader, bypassing any permissions checks that should have been applied. The largest threat from this vu…
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Medium 5.2
Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier contain an improper authorization vulnerability.…
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Unscored —
Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Post Deletion
In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the delete_action_post AJAX action to delete any post on a target site.
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Unscored —
Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Plugin Installation
In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, low level users, such as subscribers, could use the import_from_debug AJAX action to install any plugin from the WordPress repository.
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Unscored —
Redirection for Contact Form 7 < 2.3.4 - Unprotected AJAX Actions
In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the various AJAX actions in the plugin to do a variety of things. For example, an attacker could use wpcf7r_reset_settings to reset th…
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Unscored —CVE-2021-24278 Scanner template
Redirection for Contact Form 7 < 2.3.4 - Unauthenticated Arbitrary Nonce Generation
In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.
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Unscored —
An improper authorization handling flaw was found in Foreman. The Shellhooks plugin for the smart-proxy allows Foreman …
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Medium 5.3
Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Info…
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Unscored —
WPBakery Page Builder Clipboard < 4.5.8 - Unauthorised Arbitrary License Options Update
An AJAX action registered by the WPBakery Page Builder (Visual Composer) Clipboard WordPress plugin before 4.5.8 did not have capability checks, allowing low privilege users, such as subscribers, to update the license options (key, email).
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Critical 9.8
Drupal Core Access bypass vulnerability
Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8;…
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High 7.5
An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and later
Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using a specially-constructed URL. This was caused by an incomplete fix for CVE-2020-13953. This issue affects Apache Tapest…
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Medium 6.5
Incorrect permission checks in Jenkins Config File Provider Plugin allow enumerating credentials IDs
Jenkins Config File Provider Plugin 3.7.0 and earlier does not correctly perform permission checks in several HTTP endpoints, allowing attackers with global Job/Configure permission to enumerate system-scoped credentials IDs of credentials stored in Jenkins.
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High 8.1
Any logged in user could edit any other logged in user.
a12n-server is an npm package which aims to provide a simple authentication system. A new HAL-Form was added to allow editing users in version 0.18.0. This feature should only have been accessible to admins. Unfortunately, privileges were incorrectly checked …
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Medium 6.5
Broken Authentication in Atlassian Connect Spring Boot
Broken Authentication in Atlassian Connect Spring Boot (ACSB) from version 1.1.0 before version 2.1.3: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian…
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High 7.7
Broken Authentication in Atlassian Connect Express
Broken Authentication in Atlassian Connect Express (ACE) from version 3.0.2 before version 6.6.0: Atlassian Connect Express is a Node.js package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Express a…
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High 7.2
Plugins can be installed with minimal admin privileges
The Grav admin plugin prior to version 1.10.11 does not correctly verify caller's privileges. As a consequence, users with the permission `admin.login` can install third-party plugins and their dependencies. By installing the right plugin, an attacker can obt…
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High 8.0
Account compromise by man-in-the-middle attack
ScratchOAuth2 is an Oauth implementation for Scratch. Any ScratchOAuth2-related data normally accessible and modifiable by a user can be read and modified by a third party. 1. Scratch user visits 3rd party site. 2. 3rd party site asks user for Scratch usernam…
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Critical 9.1
Apache Solr Unprivileged users may be able to perform unauthorized read/write to collections
When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization res…
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High 7.5
Reject unauthorized access with GitHub PATs
Vela is a Pipeline Automation (CI/CD) framework built on Linux container technology written in Golang. An authentication mechanism added in version 0.7.0 enables some malicious user to obtain secrets utilizing the injected credentials within the `~/.netrc` fi…
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Unscored —CVE-2020-36287 Public exploit
The dashboard gadgets preference resource of the Atlassian gadgets plugin used in Jira Server and Jira Data Center befo…
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Unscored —
WP Page Builder < 1.2.4 - Insecure default configuration Allows Subscribers Editing Access to Posts
By default, the WP Page Builder WordPress plugin before 1.2.4 allows subscriber-level users to edit and make changes to any and all posts pages - user roles must be specifically blocked from editing posts and pages.
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Medium 5.3
Authorization Before Parsing and Canonicalization in jetty
In Eclipse Jetty 9.4.37.v20210219 to 9.4.38.v20210224, the default compliance mode allows requests with URIs that contain %2e or %2e%2e segments to access protected resources within the WEB-INF directory. For example a request to /context/%2e/WEB-INF/web.xml …
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Unscored —
The /rest/api/1.0/render resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before versi…
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Medium 5.5
Incorrect authorization in OAuth2-Proxy
OAuth2-Proxy is an open source reverse proxy that provides authentication with Google, Github or other providers. The `--gitlab-group` flag for group-based authorization in the GitLab provider stopped working in the v7.0.0 release. Regardless of the flag sett…
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High 8.1
BuddyPress privilege escalation via REST API
BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint.…
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Medium 4.3
Incorrect permission checks in Jenkins Role-based Authorization Strategy Plugin may allow accessing some items
An incorrect permission check in Jenkins Role-based Authorization Strategy Plugin 3.1 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.