Falhas do tipo CWE-284

7.097 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-2019-10166HIGHIt was discovered that libvirtd, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, would permit readonly clients to use the virDomainManaEPSS 0.5%CVE-2025-5422MEDIUMjuzaweb CMS Email Logs Page email access controlEPSS 0.5%CVE-2026-20949HIGHMicrosoft Excel Security Feature Bypass VulnerabilityEPSS 0.5%CVE-2025-3041MEDIUMProject Worlds Online Time Table Generator updatestudent.php unrestricted uploadEPSS 0.5%CVE-2022-3325LOWImproper access control in the GitLab CE/EE API affecting all versions starting from 12.8 before 15.2.5, all versions starting from 15.3 befEPSS 0.5%CVE-2026-55114HIGHA malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi NetworEPSS 0.5%CVE-2026-42278HIGHUltraDAG: Smart Account Spending Policy Bypass via PocketsEPSS 0.5%CVE-2024-46610HIGHAn access control issue in IceCMS v3.4.7 and before allows attackers to arbitrarily modify users' information, including username and passwoEPSS 0.5%CVE-2025-23389HIGHRancher does not Properly Validate Account Bindings in SAML Authentication Enables User Impersonation on First LoginEPSS 0.5%CVE-2025-11853MEDIUMSismics Teedy API Endpoint file access controlEPSS 0.5%CVE-2025-27206MEDIUMAdobe Commerce | Improper Access Control (CWE-284)EPSS 0.5%CVE-2024-46990MEDIUMSSRF Loopback IP filter bypass in directusEPSS 0.5%CVE-2026-62516HIGHVulnerability in the Oracle Demantra Demand Management product of Oracle Supply Chain (component: Product Security). Supported versions thaEPSS 0.5%CVE-2025-14583MEDIUMcampcodes Online Student Enrollment System register.php unrestricted uploadEPSS 0.5%CVE-2024-39376CRITICALImproper Access Control In TELSAT MarKoni FM TransmitterEPSS 0.5%CVE-2026-51694HIGHIncorrect access control in the setStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to add or EPSS 0.5%CVE-2025-63666CRITICALTenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-enEPSS 0.5%CVE-2026-51695HIGHIncorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter dynamic DEPSS 0.5%CVE-2026-32299HIGHConnect CMS: Information Disclosure Due to Improper Authorization through the Page Content Retrieval FeatureEPSS 0.5%CVE-2026-60369CRITICALVulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). SupporEPSS 0.5%