Weaknesses of type CWE-284

7,074 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-2024-28922MEDIUMSecure Boot Security Feature Bypass VulnerabilityEPSS 0.7%CVE-2024-21436HIGHWindows Installer Elevation of Privilege VulnerabilityEPSS 0.7%CVE-2025-46566MEDIUMDataease redshift JDBC Connection Remote Code ExecutionEPSS 0.7%CVE-2020-3412MEDIUMCisco Webex Meetings Scheduled Meeting Template Creation VulnerabilityEPSS 0.7%CVE-2021-3062HIGHPAN-OS: Improper Access Control Vulnerability Exposing AWS Instance Metadata Endpoint to GlobalProtect UsersEPSS 0.7%CVE-2025-21213MEDIUMSecure Boot Security Feature Bypass VulnerabilityEPSS 0.7%CVE-2024-6221MEDIUMImproper Access Control in corydolphin/flask-corsEPSS 0.7%CVE-2023-43336—Sangoma Technologies FreePBX before cdr 15.0.18, 16.0.40, 15.0.16, and 16.0.17 was discovered to contain an access control issue via a modifEPSS 0.7%CVE-2024-27855HIGHThe issue was addressed with improved checks. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14EPSS 0.7%CVE-2020-26080MEDIUMCisco IoT Field Network Director Improper Domain Access Control VulnerabilityEPSS 0.7%CVE-2022-39946HIGHAn access control vulnerability [CWE-284] in FortiNAC version 9.4.2 and below, version 9.2.7 and below, 9.1 all versions, 8.8 all versions, EPSS 0.7%CVE-2024-24830CRITICALOpenObserve Privilege Escalation Vulnerability in Users APIEPSS 0.7%CVE-2024-40117CRITICALIncorrect access control in Solar-Log 1000 before v2.8.2 and build 52- 23.04.2013 allows attackers to obtain Administrative privileges via cEPSS 0.7%CVE-2023-37267HIGHUmbraco allows possible Admin-level access to backoffice without Auth under rare conditionsEPSS 0.7%CVE-2022-26423HIGHMISSING AUTHORIZATION CWE-862EPSS 0.7%CVE-2026-54213CRITICALTeamDavid: Denial of Service via endpoint 'internalRestart'EPSS 0.7%CVE-2023-21750HIGHWindows Kernel Elevation of Privilege VulnerabilityEPSS 0.7%CVE-2025-1606MEDIUMSourceCodester Best Employee Management System backups.php information disclosureEPSS 0.7%CVE-2024-39697HIGHphonenumber panics on parsing crafted phonenumber inputsEPSS 0.7%CVE-2024-31207MEDIUMVite's `server.fs.deny` did not deny requests for patterns with directoriesEPSS 0.7%