Weaknesses of type CWE-284

7,088 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-2024-37882HIGHNextcloud Server can reshare read&share only folder with more permissionsEPSS 0.5%CVE-2023-4650MEDIUMImproper Access Control in instantsoft/icms2EPSS 0.5%CVE-2025-1593MEDIUMSourceCodester Best Employee Management System Profile Picture unrestricted uploadEPSS 0.5%CVE-2023-2202MEDIUMImproper Access Control in francoisjacquet/rosariosisEPSS 0.5%CVE-2026-47366HIGHImproper verification of access permissions when modifying permissions through the Administration Control Panel (ACP) allowed an authenticatEPSS 0.5%CVE-2026-94148MEDIUMScadaBR Export Project Endpoint export_project.htm EmportDwr.createExportJSON information disclosureEPSS 0.5%CVE-2026-86308MEDIUMlight0011 cms Debug Mode config.php information disclosureEPSS 0.5%CVE-2023-49694HIGHNETGEAR ProSAFE Network Management System Privilege Escalation Via MySQL ServerEPSS 0.5%CVE-2026-93971MEDIUMaiyiyi121 SxDevOps settings.py information disclosureEPSS 0.5%CVE-2023-46661CRITICALImproper Access Control in Sielco PolyEco1000EPSS 0.5%CVE-2024-41248HIGHAn Incorrect Access Control vulnerability was found in /smsa/add_subject.php and /smsa/add_subject_submit.php in Kashipara Responsive SchoolEPSS 0.5%CVE-2025-27190MEDIUMAdobe Commerce | Improper Access Control (CWE-284)EPSS 0.5%CVE-2024-45121MEDIUMAdobe Commerce | Improper Access Control (CWE-284)EPSS 0.5%CVE-2016-4426—In zulip before 1.3.12, bot API keys were accessible to other users in the same realm.EPSS 0.5%CVE-2024-45130MEDIUMAdobe Commerce | Improper Access Control (CWE-284)EPSS 0.5%CVE-2023-41679HIGHAn improper access control vulnerability [CWE-284] in FortiManager management interface 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 throEPSS 0.5%CVE-2024-42776HIGHKashipara Hotel Management System v1.0 is vulnerable to Incorrect Access Control via /admin/users.php.EPSS 0.5%CVE-2024-45129MEDIUMAdobe Commerce | Improper Access Control (CWE-284)EPSS 0.5%CVE-2025-53057MEDIUMVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: SecuritEPSS 0.5%CVE-2024-10764MEDIUMCodezips Online Institute Management System save_user.php unrestricted uploadEPSS 0.5%