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-2021-38417HIGHVISAM VBASE Editor Improper Access ControlEPSS 0.8%CVE-2023-6930CRITICALImproper Access Control in EuroTel ETL3100EPSS 0.8%CVE-2021-40413HIGHAn 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-2022-36024HIGHBots using py-cord as discord api wrapper are vulnerable to shutdowns through remote code executionEPSS 0.8%CVE-2026-75998HIGHColdFusion | Improper Access Control (CWE-284)EPSS 0.8%CVE-2026-5788HIGHAn Improper Access Control in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remote unauthenticated attacker to invokEPSS 0.8%CVE-2022-37918HIGHBroken Access Control for some Web-based Management URLs in AirWave Management PlatformEPSS 0.8%CVE-2025-43184CRITICALThis issue was addressed by adding an additional prompt for user consent. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.7, maEPSS 0.8%CVE-2022-37917HIGHBroken Access Control for some Web-based Management URLs in AirWave Management PlatformEPSS 0.8%CVE-2022-37916HIGHBroken Access Control for some Web-based Management URLs in AirWave Management PlatformEPSS 0.8%CVE-2020-7531—A CWE-284 Improper Access Control vulnerability exists in SCADAPack 7x Remote Connect (V3.6.3.574 and prior) which allows an attacker to plaEPSS 0.8%CVE-2026-73749CRITICALUnauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in AOS-CXEPSS 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-2023-46665CRITICALImproper Access Control in Sielco PolyEco1000EPSS 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-2026-28880MEDIUMA permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.EPSS 0.8%CVE-2023-5365—HP LIFE Android Mobile – Potential Escalation of Privilege, Information DisclosureEPSS 0.8%CVE-2021-44467MEDIUMspx_restservice KillDupUsr_func Broken Access ControlEPSS 0.8%CVE-2020-5279MEDIUMImproper Access Control for certain legacy controller in PrestaShopEPSS 0.8%CVE-2021-26733MEDIUMspx_restservice FirstReset_handler_func Broken Access ControlEPSS 0.8%