Falhas do tipo CWE-284

7.095 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-2023-23835MEDIUMA vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.34), Mendix Applications using Mendix 8 (AllEPSS 0.5%CVE-2024-29839HIGHBroken Access control on DESKTOP_EDIT_USER_GET_CARD in Evolution Controller allows unauthenticated attackers to retrieve card data values.EPSS 0.5%CVE-2024-29841HIGHBroken Access control on DESKTOP_EDIT_USER_GET_KEYS_FIELDS in Evolution Controller allows unauthenticated attackers to retrieve keys values EPSS 0.5%CVE-2026-51624HIGHIncorrect access control in the getStationMacByIp function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain aEPSS 0.5%CVE-2026-9421MEDIUMKLiK SocialMediaWebsite File upload.inc.php uniqid unrestricted uploadEPSS 0.5%CVE-2026-51648HIGHIncorrect access control in the getWanInfo function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WAN infoEPSS 0.5%CVE-2026-51627HIGHIncorrect access control in the getIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain IPTV andEPSS 0.5%CVE-2026-51735HIGHIncorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to retrieve recentEPSS 0.5%CVE-2026-51620HIGHIncorrect access control in the getNetInfoCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain netwoEPSS 0.5%CVE-2026-51659HIGHIncorrect access control in the getUrlFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain DEPSS 0.5%CVE-2026-51618HIGHIncorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain setup EPSS 0.5%CVE-2026-51619HIGHIncorrect access control in the getOnlineClient function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain onlEPSS 0.5%CVE-2026-51650HIGHIncorrect access control in the getRemoteCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain remoteEPSS 0.5%CVE-2026-51647HIGHIncorrect access control in the getCrpcCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain cloud reEPSS 0.5%CVE-2023-32064MEDIUMOroCommerce Customer Portal Incorrect Customer and Customer Group Frontend Menus pages visibilityEPSS 0.5%CVE-2026-51621HIGHIncorrect access control in the getInitCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitivEPSS 0.5%CVE-2026-51662HIGHIncorrect access control in the getCloudSrvCheckStatus function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtEPSS 0.5%CVE-2026-51642HIGHIncorrect access control in the getMeshRoutingTable function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtainEPSS 0.5%CVE-2024-43530HIGHWindows Update Stack Elevation of Privilege VulnerabilityEPSS 0.5%CVE-2026-51644HIGHIncorrect access control in the getCrpcConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain cloudEPSS 0.5%