Weaknesses of type CWE-284

7,085 results

Controle de acesso inadequado a recursos

A aplicação falha em validar ou impõe regras insuficientes para determinar quem pode acessar um recurso (arquivo, API, dados, funcionalidade). Um usuário não autorizado consegue contornar essas restrições e acessar o que não deveria, seja por falta de autenticação, autorização fraca ou lógica de controle de acesso bugada.

Example

Um sistema de gestão de RH permite que qualquer funcionário logado acesse `/api/salarios/{id}` substituindo o ID na URL. Sem verificar se o usuário é gestor ou RH, a API retorna dados salariais de qualquer pessoa da empresa. Um dev junior consegue ver quanto ganha o CTO.

How to mitigate

Implemente verificação explícita de permissões antes de qualquer acesso: confirme autenticação (quem é), autorização (o que pode fazer) e aplique o princípio do menor privilégio. Use listas de controle de acesso (ACL), roles bem definidos e sempre valide no backend, nunca confie em dados do cliente.

CVE-2021-23178HIGHImproper access control in Odoo Community 15.0 and earlier and Odoo Enterprise 15.0 and earlier allows attackers to validate online paymentsEPSS 0.6%CVE-2025-4067MEDIUMScriptAndTools Online-Travling-System viewpackage.php access controlEPSS 0.6%CVE-2024-45438CRITICALAn issue was discovered in TitanHQ SpamTitan Email Security Gateway 8.00.x before 8.00.101 and 8.01.x before 8.01.14. The file quarantine.phEPSS 0.6%CVE-2026-1609HIGHOrg.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled usersEPSS 0.6%CVE-2024-0551HIGHDownload and export of file via default user roleEPSS 0.6%CVE-2023-5353HIGHImproper Access Control in salesagility/suitecrmEPSS 0.6%CVE-2025-2035MEDIUMs-a-zhd Ecommerce-Website-using-PHP customer_register.php unrestricted uploadEPSS 0.6%CVE-2025-3593MEDIUMZHENFENG13/code-projects My-Blog-layui authorImg upload unrestricted uploadEPSS 0.6%CVE-2026-1117HIGHImproper Access Control in parisneo/lollmsEPSS 0.6%CVE-2024-20695MEDIUMSkype for Business Information Disclosure VulnerabilityEPSS 0.6%CVE-2026-64738CRITICALA permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8,EPSS 0.6%CVE-2023-22473LOWPasscode bypass on Talk-Android appEPSS 0.6%CVE-2014-125054MEDIUMkoroket RedditOnRails Vote access controlEPSS 0.6%CVE-2023-5549LOWMoodle: insufficient capability checks when updating the parent of a course categoryEPSS 0.6%CVE-2026-94036HIGHD-Link DIR-X1860/DIR-X1860Z routerd ubus access controlEPSS 0.6%CVE-2023-27875HIGHIBM Aspera Faspex improper access controlsEPSS 0.6%CVE-2025-9804CRITICALImproper Access Control in Multiple WSO2 Products via Internal SOAP Admin Services and System REST APIsEPSS 0.6%CVE-2026-0386HIGHWindows Deployment Services Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-33484HIGHLangflow has Unauthenticated IDOR on Image DownloadsEPSS 0.6%CVE-2025-2334MEDIUM274056675 springboot-openai-chatgpt Chat History chat deleteChat access controlEPSS 0.6%