Weakness (CWE)
CWE-285: Improper Authorization
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
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) 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 you perform access control checks related to your business logic. These checks may be different than the access control checks that you apply 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.
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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-285
526 results · Clear filters · Feed
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High 8.8
Improper Authorization in Symphony Plus
In S+ Operations and S+ Historian, not all client commands correctly check user permission as expected. Authenticated but Unauthorized remote users could execute a Denial-of-Service (DoS) attack, execute arbitrary code, or obtain more privilege than intended …
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High 7.7
Authorization bypass in Pimcore
Pimcore is an open source digital experience platform. In Pimcore before version 6.8.5 it is possible to modify & create website settings without having the appropriate permissions.
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High 7.1
victor Web Client and C•CURE Web Client JSON Web Token (JWT) Vulnerability
A vulnerability in specified versions of American Dynamics victor Web Client and Software House C•CURE Web Client could allow an unauthenticated attacker on the network to create and sign their own JSON Web Token and use it to execute an HTTP API Method witho…
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High 8.2
PAN-OS: Authentication bypass vulnerability in GlobalProtect SSL VPN client certificate verification
An authentication bypass vulnerability exists in the GlobalProtect SSL VPN component of Palo Alto Networks PAN-OS software that allows an attacker to bypass all client certificate checks with an invalid certificate. A remote attacker can successfully authenti…
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High 7.7
Unauthorized privilege escalation in Mod module
Red Discord Bot before version 3.4.1 has an unauthorized privilege escalation exploit in the Mod module. This exploit allows Discord users with a high privilege level within the guild to bypass hierarchy checks when the application is in a specific condition …
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High 7.1
victor Web Client - Arbitrary File Deletion Vulnerability
A vulnerability in specified versions of American Dynamics victor Web Client and Software House CCURE Web Client could allow a remote unauthenticated attacker on the network to delete arbitrary files on the system or render the system unusable by conducting a…
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High —
Improper Authorization in @sap-cloud-sdk/core
Affected versions of `@sap-cloud-sdk/core` do not properly validate JWTs. The `verifyJwt()` function does not properly validate the URL from where the public verification key for the JWT can be downloaded. Any URL was trusted which makes it possible to provid…
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High —
Improper Authorization in googleapis
Versions of `googleapis` prior to 39.1.0 are vulnerable to Improper Authorization. Setting credentials to one client may apply to all clients which may cause requests to be sent with the incorrect credentials. ## Recommendation Upgrade to version 39.1.0.
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High —
Improper Authorization in loopback
Vulnerable versions of `loopback` may allow attackers to create Authentication Tokens on behalf of other users due to Improper Authorization. If the AccessToken model is publicly exposed, an attacker can create Authorization Tokens for any user as long as the…
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High 7.8
Cisco Nexus 3000 and 9000 Series Switches Privilege Escalation Vulnerability
A vulnerability in the Enable Secret feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, local attacker to issue the enable command and get full administrative privileges. To …
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High 7.1
Missing permission check in Jenkins Pipeline Maven Integration Plugin allow capturing credentials
A missing permission check in Jenkins Pipeline Maven Integration Plugin 3.8.2 and earlier allows users with Overall/Read access to connect to an attacker-specified JDBC URL using attacker-specified credentials IDs obtained through another method, potentially …
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High 8.8
Cisco Data Center Network Manager Improper Authorization Vulnerability
A vulnerability in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker with a low-privileged account to bypass authorization on the API of an affected device. The vulnerability is due to insufficient…
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High 7.7
Dell PowerProtect Data Manager (PPDM) versions prior to 19.4 and Dell PowerProtect X400 versions prior to 3.2 contain a…
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High 7.4
Privilege escalation in Presto
In Presto before version 337, authenticated users can bypass authorization checks by directly accessing internal APIs. This impacts Presto server installations with secure internal communication configured. This does not affect installations that have not con…
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High 7.7
Authorization bypass in express-jwt
In express-jwt (NPM package) up and including version 5.3.3, the algorithms entry to be specified in the configuration is not being enforced. When algorithms is not specified in the configuration, with the combination of jwks-rsa, it may lead to authorization…
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High 8.0
An authorization bypass vulnerability was found in Ceph versions 15.2.0 before 15.2.2, where the ceph-mon and ceph-mgr …
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High 7.1
Dell Client Consumer and Commercial platforms include an improper authorization vulnerability in the Dell Manageability…
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High 8.6
Improper Authorization in Undertoe
A file inclusion vulnerability was found in the AJP connector enabled with a default AJP configuration port of 8009 in Undertow version 2.0.29.Final and before and was fixed in 2.0.30.Final. A remote, unauthenticated attacker could exploit this vulnerability …
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High 7.6
Firewall configured with unanimous strategy was not actually unanimous in symfony/security-http
In symfony/security-http before versions 4.4.7 and 5.0.7, when a `Firewall` checks access control rule, it iterate overs each rule's attributes and stops as soon as the accessDecisionManager decides to grant access on the attribute, preventing the check of ne…
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High 7.6
2FA bypass through deleting devices in wagtail-2fa
In wagtail-2fa before 1.4.1, any user with access to the CMS can view and delete other users 2FA devices by going to the correct path. The user does not require special permissions in order to do so. By deleting the other users device they can disable the tar…
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High 7.6CVE-2020-5250 Public exploit
Possible information disclosure in PrestaShop
In PrestaShop before version 1.7.6.4, when a customer edits their address, they can freely change the id_address in the form, and thus steal someone else's address. It is the same with CustomerForm, you are able to change the id_customer and change all inform…
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High 7.7
Information disclosure in parse-server
In parser-server before version 4.1.0, you can fetch all the users objects, by using regex in the NoSQL query. Using the NoSQL, you can use a regex on sessionToken and find valid accounts this way.
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High 7.1
Missing permission checks in Pipeline GitHub Notify Step Plugin allows capturing credentials
A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturin…
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High 7.5
Dell EMC Isilon OneFS versions 8.1.2, 8.1.0.4, 8.1.0.3, and 8.0.0.7 contain a vulnerability in some configurations. An …
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High 8.7
Ethereum Name Service - Malicious takeover of previously owned ENS names
A user who owns an ENS domain can set a trapdoor, allowing them to transfer ownership to another user, and later regain ownership without the new owners consent or awareness. A new ENS deployment is being rolled out that fixes this vulnerability in the ENS re…
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High 8.7
Authentication Bypass For Endpoints With Anonymous Access in OpenCast
In Opencast before 7.6 and 8.1, using a remember-me cookie with an arbitrary username can cause Opencast to assume proper authentication for that user even if the remember-me cookie was incorrect given that the attacked endpoint also allows anonymous access. …
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High 8.8
Missing permission checks in Jenkins Sounds Plugin allow OS command execution
Jenkins Sounds Plugin 0.5 and earlier does not perform permission checks in URLs performing form validation, allowing attackers with Overall/Read access to execute arbitrary OS commands as the OS user account running Jenkins.
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High 8.5
Dynamic modification of RPyC service due to missing security check
In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.
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High 8.8
Cisco Integrated Management Controller Substring Comparison Privilege Escalation Vulnerability
A vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to set sensitive configuration values and gain elevated privileges. The vulnerability is due to improper handling of substring comp…
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High 8.8
Cisco Adaptive Security Appliance Software Web-Based Management Interface Privilege Escalation Vulnerability
A vulnerability in the web-based management interface of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, remote attacker to elevate privileges and execute administrative functions on an affected device. The vulnerability is due …
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High 7.1
Authorization session conflation
After user deletion in MongoDB Server the improper invalidation of authorization sessions allows an authenticated user's session to persist and become conflated with new accounts, if those accounts reuse the names of deleted ones. This issue affects MongoDB S…
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High 8.8
Privilege escalation vulnerability in Apache Hadoop
In Apache Hadoop versions 3.0.0-alpha1 to 3.1.0, 2.9.0 to 2.9.1, and 2.2.0 to 2.8.4, a user who can escalate to yarn user can possibly run arbitrary commands as root user.
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High 7.2
Cisco Small Business Switches Secure Shell Certificate Authentication Bypass Vulnerability
A vulnerability in the Secure Shell (SSH) authentication process of Cisco Small Business Switches software could allow an attacker to bypass client-side certificate authentication and revert to password authentication. The vulnerability exists because OpenSSH…
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High 7.5
Improper Authorization in org.apache.hbase:hbase
In all previously released Apache HBase 2.x versions (2.0.0-2.0.4, 2.1.0-2.1.3), authorization was incorrectly applied to users of the HBase REST server. Requests sent to the HBase REST server were executed with the permissions of the REST server itself, not …
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High 7.3
Cisco NX-OS Software Privilege Escalation Vulnerability
A vulnerability in the user account management interface of Cisco NX-OS Software could allow an authenticated, local attacker to gain elevated privileges on an affected device. The vulnerability is due to an incorrect authorization check of user accounts and …
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High 7.8
Cisco NX-OS Software Privilege Escalation Vulnerability
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to escalate lower-level privileges to the administrator level. The vulnerability is due to insufficient authorization enforcement. An attacker could exploit this v…
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High 7.2
Improper Authorization in Jenkins Core
An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/TokenBasedRememberMeServices2.java that allows attackers with Overall/RunScripts permission to craft Remember Me cookies…
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High 7.2
Improper Authorization in Jenkins Core
An improper authorization vulnerability exists in Jenkins 2.158 and earlier, LTS 2.150.1 and earlier in core/src/main/java/hudson/security/AuthenticationProcessingFilter2.java that allows attackers to extend the duration of active HTTP sessions indefinitely e…
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High 8.1
Cisco Adaptive Security Appliance Software Privilege Escalation Vulnerability
A vulnerability in the authorization subsystem of Cisco Adaptive Security Appliance (ASA) Software could allow an authenticated, but unprivileged (levels 0 and 1), remote attacker to perform privileged actions by using the web management interface. The vulner…
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High 8.8
An authorization flaw was found in Pacemaker before 1.1.16, where it did not properly guard its IPC interface. An attac…