Falhas do tipo CWE-284

7.075 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-2026-56161CRITICALAzure Logic Apps Information Disclosure VulnerabilityEPSS 0.7%CVE-2022-4711MEDIUMRoyal Elementor Addons <= 1.3.59 - Insufficient Access Control to Menu Settings UpdateEPSS 0.7%CVE-2023-38848—An issue in rmc R Beauty CLINIC Line v.13.6.1 allows a remote attacker to obtain sensitive information via crafted GET request.EPSS 0.7%CVE-2025-6161MEDIUMSourceCodester Simple Food Ordering System editproduct.php unrestricted uploadEPSS 0.7%CVE-2024-12951MEDIUM1000 Projects Portfolio Management System MCA add_personal_details.php unrestricted uploadEPSS 0.7%CVE-2022-1261MEDIUMMatrikon OPC Server Improper Access ControlEPSS 0.7%CVE-2025-22157HIGHThis High severity PrivEsc (Privilege Escalation) vulnerability was introduced in versions: 9.12.0, 10.3.0, 10.4.0, and 10.5.0 of Jira CoreEPSS 0.7%CVE-2021-44460HIGHImproper access control in Odoo Community 13.0 and earlier and Odoo Enterprise 13.0 and earlier allows users with deactivated accounts to acEPSS 0.7%CVE-2024-37147MEDIUMGLPI allows Authenticated File Upload to Restricted TicketsEPSS 0.7%CVE-2025-24365HIGHvaultwarden allows escalation of privilege via variable confusion in OrgHeaders traitEPSS 0.7%CVE-2020-8122—A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received.EPSS 0.7%CVE-2022-0170MEDIUMImproper Access Control in chocobozzz/peertubeEPSS 0.7%CVE-2022-2630MEDIUMAn improper access control issue in GitLab CE/EE affecting all versions starting from 15.2 before 15.2.4, all versions from 15.3 before 15.3EPSS 0.7%CVE-2024-22206CRITICAL@clerk/nextjs auth() and getAuth() methods vulnerable to insecure direct object reference (IDOR)EPSS 0.7%CVE-2024-22234HIGHCVE-2024-22234: Broken Access Control in Spring Security With Direct Use of isFullyAuthenticatedEPSS 0.7%CVE-2022-44932HIGHAn access control issue in Tenda A18 v15.13.07.09 allows unauthenticated attackers to access the Telnet service.EPSS 0.7%CVE-2024-10994MEDIUMCodezips Online Institute Management System edit_user.php unrestricted uploadEPSS 0.7%CVE-2026-54730HIGHauthentik: Authentication Flow Bypass via Unguarded challenge_valid() in AuthenticatorEndpointGDTCStage and GoogleChromeStageViewEPSS 0.7%CVE-2024-1823MEDIUMCodeAstro Simple Voting System Backend users.php access controlEPSS 0.7%CVE-2026-25519HIGHOpenSlides has incorrect access control vulnerability in authentication serviceEPSS 0.7%