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-2022-32255MEDIUMA vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.1). The affected application consists of a web servicEPSS 0.8%CVE-2021-25448—Improper access control vulnerability in Smart Touch Call prior to version 1.0.0.5 allows arbitrary webpage loading in webview.EPSS 0.8%CVE-2021-25446—Improper access control vulnerability in SmartThings prior to version 1.7.67.25 allows untrusted applications to cause arbitrary webpage loaEPSS 0.8%CVE-2020-5279MEDIUMImproper Access Control for certain legacy controller in PrestaShopEPSS 0.8%CVE-2022-4700MEDIUMRoyal Elementor Addons <= 1.3.59 - Insufficient Access Control to Theme ActivationEPSS 0.8%CVE-2025-2996MEDIUMTenda FH1202 Web Management Interface SysToolDDNS access controlEPSS 0.8%CVE-2024-0414MEDIUMDeShang DSCMS install.php access controlEPSS 0.8%CVE-2024-0412MEDIUMDeShang DSShop HTTP GET Request install.php access controlEPSS 0.8%CVE-2024-0413MEDIUMDeShang DSKMS install.php access controlEPSS 0.8%CVE-2023-39952MEDIUMAdvanced permissions not respected when copying entire group foldersEPSS 0.8%CVE-2019-1647HIGHCisco SD-WAN Solution Unauthorized Access VulnerabilityEPSS 0.8%CVE-2024-1701MEDIUMkeerti1924 PHP-MYSQL-User-Login-System edit.php access controlEPSS 0.8%CVE-2021-40414HIGHAn incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_201EPSS 0.8%CVE-2022-2088MEDIUMElcomplus SmartICS Access ControlEPSS 0.8%CVE-2023-2979MEDIUMAbstrium Pydio Cells User Creation access controlEPSS 0.8%CVE-2021-40415HIGHAn incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_201EPSS 0.8%CVE-2023-35927HIGHNextcloud system addressbooks can be modified by malicious trusted serverEPSS 0.8%CVE-2020-3522MEDIUMCisco Data Center Network Manager Authorization Bypass VulnerabilityEPSS 0.8%CVE-2020-13676—The QuickEdit module does not properly check access to fields in some circumstances, which can lead to unintended disclosure of field data. EPSS 0.8%CVE-2025-47161HIGHMicrosoft Defender for Endpoint Elevation of Privilege VulnerabilityEPSS 0.8%