Falhas do tipo CWE-284

7.967 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-2019-11786MEDIUMImproper access control in Odoo Community 13.0 and earlier and Odoo Enterprise 13.0 and earlier, allows remote authenticated users to modifyEPSS 0.7%CVE-2021-34627MEDIUMWP Upload Restriction <= 2.2.3 - Missing Access Control in getSelectedMimeTypesByRole functionEPSS 0.7%CVE-2026-26145MEDIUMMicrosoft Azure Synapse Elevation of Privilege VulnerabilityEPSS 0.7%CVE-2021-4364MEDIUMJobSearch WP Job Board < = 1.8.1 - Missing Authorization on jobsearch_update_job_import_schedule_call() functionEPSS 0.7%CVE-2025-30707HIGHVulnerability in the Oracle iStore product of Oracle E-Business Suite (component: User Management). Supported versions that are affected arEPSS 0.7%CVE-2023-24688MEDIUMAn issue in Mojoportal v2.7.0.0 allows an unauthenticated attacker to register a new user even if the Allow User Registrations feature is diEPSS 0.7%CVE-2026-111057CRITICALMercury: Unauthenticated Remote Code Execution in /api/terminals - access control bypassEPSS 0.7%CVE-2022-1261MEDIUMMatrikon OPC Server Improper Access ControlEPSS 0.7%CVE-2025-15082MEDIUMTOZED ZLT M30s Web Management proc_post information disclosureEPSS 0.7%CVE-2022-41235MEDIUMJenkins WildFly Deployer Plugin 1.0.2 and earlier implements functionality that allows agent processes to read arbitrary files on the JenkinEPSS 0.7%CVE-2026-32760CRITICALFile Browser Self Registration Grants Any User Admin Access When Default Permissions Include AdminEPSS 0.7%CVE-2025-50900CRITICALAn issue was discovered in getrebuild/rebuild 4.0.4. The affected source code class is com.rebuild.web.RebuildWebInterceptor, and the affectEPSS 0.7%CVE-2023-2901MEDIUMNFine Rapid Development Platform access controlEPSS 0.7%CVE-2023-23575MEDIUMImproper access control vulnerability in CONPROSYS IoT Gateway products allows a remote authenticated attacker to bypass access restriction EPSS 0.7%CVE-2023-2940MEDIUMInappropriate implementation in Downloads in Google Chrome prior to 114.0.5735.90 allowed an attacker who convinced a user to install a maliEPSS 0.7%CVE-2024-12368HIGHImproper access control in the auth_oauth module of Odoo Community 15.0 and Odoo Enterprise 15.0 allows an internal user to export the OAuthEPSS 0.7%CVE-2024-56889HIGHIncorrect access control in the endpoint /admin/m_delete.php of CodeAstro Complaint Management System v1.0 allows unauthorized attackers to EPSS 0.7%CVE-2024-22067MEDIUMZTE NH8091 product has an improper permission control vulnerabilityEPSS 0.7%CVE-2025-8226MEDIUMyanyutao0402 ChanCMS find information disclosureEPSS 0.7%CVE-2025-45343CRITICALAn issue in Tenda W18E v.2.0 v.16.01.0.11 allows an attacker to execute arbitrary code via the editing functionality of the account module iEPSS 0.7%