Improper Access Control
CWE-284
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
We track 3,726 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3. 36 have been exploited in real attacks.
How this weakness is prevented
- Architecture and Design Operation: Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
- Architecture and Design: Compartmentalize the system to have safe areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Latest Improper Access Control vulnerabilities
- 8.1 High severity
Siebel CRM Deployment: Improper Access Control
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Application Interface). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communi
- 8.1 High severity
Siebel Apps - Marketing: Improper Access Control
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Sie
- 8.8 High severity
Siebel Apps - Marketing: Improper Access Control
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Sie
- 7.4 High severity
Siebel CRM Integration: Improper Access Control
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebe
- 7.4 High severity
Oracle Internet Procurement Connector: Improper Access Control
Vulnerability in the Oracle Internet Procurement Connector product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with net
- 8.5 High severity
Siebel Artificial Intelligence: Improper Access Control
Vulnerability in the Siebel Artificial Intelligence product of Oracle Siebel CRM (component: AI). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Si
- 8.1 High severity
Siebel CRM End User: Improper Access Control
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment at
- 9.1 Critical severity
Siebel Apps - Marketing: Improper Access Control
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Si
- 7.8 High severity
Siebel CRM Deployment: Improper Access Control
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Installation). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel
- 7.1 High severity
Siebel Apps - Marketing: Improper Access Control
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Sie
- 8.8 High severity
Siebel Apps - Marketing: Missing Authentication for Critical Functionality
Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Sie
- 7.6 High severity
Oracle General Ledger: Improper Access Control
Vulnerability in the Oracle General Ledger product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows high privileged attacker with network access via HT
- 8.1 High severity
PeopleSoft Enterprise PeopleTools: Improper Access Control
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: PIA Core Technology). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via
- 9.1 Critical severity
Oracle Web Services Manager: Improper Access Control
Vulnerability in the Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with n
- 7.7 High severity
Oracle WebCenter Portal: Improper Access Control
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access vi
- 9.9 Critical severity
Oracle WebCenter Portal: Improper Access Control
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via
- 8.8 High severity
Oracle WebCenter Portal: Improper Access Control
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via
- 9.1 Critical severity
Oracle WebCenter Portal: Improper Access Control
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network ac
- 9.8 Critical severity
Oracle Identity Manager: Improper Access Control
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network acces
- 8.8 High severity
Oracle Access Manager: Improper Access Control
Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network
- 8.8 High severity
Oracle Identity Manager: Improper Access Control
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access
- 8.7 High severity
Oracle Identity Manager: Improper Access Control
Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via
- 9.9 Critical severity
Oracle WebLogic Server: Improper Access Control
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with
- 8.6 High severity
Oracle WebLogic Server: Improper Access Control
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with
- 7.1 High severity
Oracle General Ledger: Improper Access Control
Vulnerability in the Oracle General Ledger product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via H
- 8.1 High severity
Oracle WebLogic Server: Improper Access Control
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with
- 8.2 High severity
MySQL Cluster: Improper Access Control
Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: NDB Operator). Supported versions that are affected are 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows unauthenticated attacker with network ac
- 7.5 High severity
Oracle Hospitality Simphony: Improper Access Control
Vulnerability in the Oracle Hospitality Simphony product of Oracle Food and Beverage Applications (component: POS). Supported versions that are affected are 19.8-19.8.5, 19.9-19.9.3 and 19.10-19.10.1. Easily exploitable vulnerability allows unauthenticated att
- 7.5 High severity
Oracle Hyperion Financial Reporting: Improper Access Control
Vulnerability in the Oracle Hyperion Financial Reporting product of Oracle Hyperion (component: Server). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to c
- 8.6 High severity
authentik: Improper Access Control
authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, the enterprise Google Chrome device-trust stages advance the flow without confirming that the out-of-band device attestation actually ran. Affected enterprise deployments place eith
- 8.1 High severity
goshs: Improper Access Control
goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, when `goshs` is launched with WebDAV enabled (`-w`), the mode-restriction flags `--read-only`, `--upload-only`, and `--no-delete` are enforced only on the primary HTTP port. The WebDAV port is
- 9.8 Critical severity
Firefox: Improper Access Control
Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- 8.1 High severity
Firefox: Improper Access Control
Site isolation issue in the WebExtensions component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- 7.5 High severity
Firefox: Exposure of Sensitive Information to an Unauthorized Actor
Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
- 9.8 Critical severity
scriban: Improper Access Control
Scriban before 7.2.2 contains an access-modifier bypass vulnerability in TypedObjectAccessor that allows template code to write CLR object properties without setter-visibility checks. Attackers can modify properties with private, internal, or init-only setters
- 8.8 High severity
filebrowser: Improper Access Control
File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users
- 8.6 High severity
backup: Improper Privilege Management
FreePBX is an open source IP PBX. From 17.0.5.34 until 17.0.11, the publicKeySave AJAX endpoint in Backup.class.php accepts an authenticated administrator's SSH public key and appends it to /home/asterisk/.ssh/authorized_keys for the asterisk system user witho
- 7.5 High severity
jupyterlab: Improper Access Control
JupyterLab versions >=4.6.0,<=4.6.1 and <=4.5.9 contain an allowlist/blocklist enforcement gap in PyPIExtensionManager.install(). A missing 'await' caused the is_install_allowed coroutine to never execute, so the extension allowlist/blocklist check was not enf
- 8.6 High severity
Portal Generator addon to Priority ERP…: Improper Access Control
: Improper Access Control vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwall v3.
- 8.2 High severity
Portal Generator addon to Priority ERP…: Improper Access Control
: Improper Access Control vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwall v3.