Fallos del tipo CWE-284

7088 resultados

Controle de acesso insuficiente ou ausente

A aplicação não valida corretamente quem pode acessar determinado recurso (arquivo, API, função, dados), permitindo que usuários não autorizados façam operações que deveriam estar bloqueadas. É um dos problemas mais comuns em segurança: sem autenticação e autorização robustas, qualquer um consegue fazer o que não deveria.

Ejemplo

Um admin panel acessível via /admin sem login real, ou uma API que retorna dados de qualquer usuário basta mudar um ID na URL sem verificar se você tem permissão. Outro caso: arquivo de configuração com credenciais exposto publicamente porque a aplicação não define permissões de leitura no servidor.

Cómo mitigar

Implemente autenticação forte (sessões, tokens JWT) e autorização em toda operação sensível — verifique explicitamente se o usuário logado tem permissão antes de retornar dados ou executar ações. Use listas de controle de acesso (ACL) ou Role-Based Access Control (RBAC), e nunca confie em IDs de usuário vindos do cliente sem validação server-side.

CVE-2025-2688MEDIUMTOTOLINK A3000RU Syslog Configuration File ExportSyslog.sh access controlEPSS 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-2026-64702CRITICALAn 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-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-2026-20825MEDIUMWindows Hyper-V Information Disclosure VulnerabilityEPSS 0.5%CVE-2026-33951MEDIUMsignalk-server: Unauthenticated Source Priorities ManipulationEPSS 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-2026-1114CRITICALImproper Access Control via Weak JWT Token in parisneo/lollmsEPSS 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-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-2023-2202MEDIUMImproper Access Control in francoisjacquet/rosariosisEPSS 0.5%CVE-2025-3324MEDIUMgodcheese/code-projects Nimrod FileRestController.java unrestricted uploadEPSS 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-2025-1593MEDIUMSourceCodester Best Employee Management System Profile Picture unrestricted uploadEPSS 0.5%CVE-2026-34723HIGHZammad has incorrect access control in getting_started_controllerEPSS 0.5%CVE-2026-62440CRITICALApache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulationEPSS 0.5%CVE-2024-41246MEDIUMAn Incorrect Access Control vulnerability was found in /smsa/admin_dashboard.php in Kashipara Responsive School Management System v3.2.0, whEPSS 0.5%CVE-2023-32062MEDIUMOroCalendarBundle has incorrect system calendar events visibilityEPSS 0.5%CVE-2023-32063MEDIUMOroCRMCallBundle has incorrect call view page visibilityEPSS 0.5%