Falhas do tipo CWE-284

7.088 resultados

Controle de acesso inadequado a recursos

A aplicação falha em validar ou aplica incorretamente as restrições de acesso, permitindo que usuários não autorizados acessem dados ou funcionalidades que deveriam estar protegidas. É uma das fragilidades mais comuns em segurança: o código não verifica corretamente quem está pedindo acesso e simplesmente concede.

Exemplo

Um e-commerce que permite acessar o perfil de qualquer cliente substituindo o ID na URL (ex: /usuario/123 → /usuario/124), sem validar se o usuário autenticado é o dono daquele perfil. Um atacante consegue ver dados pessoais, histórico de compras e endereços de outras pessoas.

Como mitigar

Implemente verificações explícitas em cada acesso a recurso: autentique o usuário, identifique qual recurso ele quer acessar, e valide se as permissões dele cobrem aquele recurso específico. Use listas de controle de acesso (ACLs) ou papéis (RBAC/ABAC) consistentemente em toda a API ou aplicação, nunca deixando a segurança implícita.

CVE-2025-2688MEDIUMTOTOLINK A3000RU Syslog Configuration File ExportSyslog.sh access controlEPSS 0.5%CVE-2026-64702CRITICALAn access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS EPSS 0.5%CVE-2025-52079HIGHThe administrator password setting of the D-Link DIR-820L 1.06B02 is has Improper Access Control and is vulnerable to Unverified Password ChEPSS 0.5%CVE-2026-43779CRITICALA logic issue was addressed with improved restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. EPSS 0.5%CVE-2026-20825MEDIUMWindows Hyper-V Information Disclosure VulnerabilityEPSS 0.5%CVE-2026-33951MEDIUMsignalk-server: Unauthenticated Source Priorities ManipulationEPSS 0.5%CVE-2024-45522CRITICALLinen before cd37c3e does not verify that the domain is linen.dev or www.linen.dev when resetting a password. This occurs in create in apps/EPSS 0.5%CVE-2025-50059HIGHVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: NetworkEPSS 0.5%CVE-2021-45730MEDIUMJFrog Artifactory prior to 7.31.10, is vulnerable to Broken Access Control where a Project Admin is able to create, edit and delete RepositoEPSS 0.5%CVE-2026-1114CRITICALImproper Access Control via Weak JWT Token in parisneo/lollmsEPSS 0.5%CVE-2023-21828HIGHVulnerability in the Oracle Hospitality Reporting and Analytics product of Oracle Food and Beverage Applications (component: Reporting). TEPSS 0.5%CVE-2025-2978MEDIUMWCMS Article Publishing Page CKEditor unrestricted uploadEPSS 0.5%CVE-2025-3324MEDIUMgodcheese/code-projects Nimrod FileRestController.java unrestricted uploadEPSS 0.5%CVE-2023-2202MEDIUMImproper Access Control in francoisjacquet/rosariosisEPSS 0.5%CVE-2023-36620—An issue was discovered in the Boomerang Parental Control application before 13.83 for Android. The app is missing the android:allowBackup="EPSS 0.5%CVE-2026-34723HIGHZammad has incorrect access control in getting_started_controllerEPSS 0.5%CVE-2026-31388MEDIUMApache OFBiz: Cross-Tenant Data Exposure via Program Export FeatureEPSS 0.5%CVE-2026-62440CRITICALApache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulationEPSS 0.5%CVE-2025-1593MEDIUMSourceCodester Best Employee Management System Profile Picture unrestricted uploadEPSS 0.5%CVE-2023-4650MEDIUMImproper Access Control in instantsoft/icms2EPSS 0.5%