Falhas do tipo CWE-284

6.977 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-2023-39349HIGHSentry vulnerable to privilege escalation via ApiTokensEndpointEPSS 1.1%CVE-2020-7578—A vulnerability has been identified in Camstar Enterprise Platform (All versions), Opcenter Execution Core (All versions < V8.2). AuthenticaEPSS 1.1%CVE-2017-6866—A vulnerability was discovered in Siemens XHQ server 4 and 5 (4 before V4.7.1.3 and 5 before V5.0.0.2) that could allow an authenticated lowEPSS 1.1%CVE-2020-13677—Under some circumstances, the Drupal core JSON:API module does not properly restrict access to certain content, which may result in unintendEPSS 1.1%CVE-2024-32418CRITICALAn issue in flusity CMS v2.33 allows a remote attacker to execute arbitrary code via the add_addon.php component.EPSS 1.1%CVE-2023-25775MEDIUMImproper access control in the Intel(R) Ethernet Controller RDMA driver for linux before version 1.9.30 may allow an unauthenticated user toEPSS 1.1%CVE-2019-15589—An improper access control vulnerability exists in Gitlab <v12.3.2, <v12.2.6, <v12.1.12 which would allow a blocked user would be able to usEPSS 1.1%CVE-2021-39333HIGHHashthemes Demo Importer <= 1.1.1 Improper Access Control Allowing Content DeletionEPSS 1.1%CVE-2022-2103CRITICALSecheron SEPCOS Control and Protection RelayEPSS 1.0%CVE-2023-21968LOWVulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versionsEPSS 1.0%CVE-2024-43477HIGHMicrosoft Entra ID Elevation of Privilege VulnerabilityEPSS 1.0%CVE-2021-22853MEDIUMSoar Cloud System Co., Ltd. HR Portal - Broken Access ControlEPSS 1.0%CVE-2015-9243—When server level, connection level or route level CORS configurations in hapi node module before 11.1.4 are combined and when a higher leveEPSS 1.0%CVE-2023-47539CRITICALAn improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and remote_wildcard enabled may alEPSS 1.0%CVE-2024-22187CRITICALA write-what-where vulnerability exists in the Programming Software Connection Remote Memory Diagnostics functionality of AutomationDirect PEPSS 1.0%CVE-2020-8121—A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.EPSS 1.0%CVE-2017-15891—Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modiEPSS 1.0%CVE-2024-20926MEDIUMVulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: ScriptiEPSS 1.0%CVE-2020-8182—Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had tEPSS 1.0%CVE-2022-22183HIGHJunos OS Evolved: A remote attacker may cause a CPU Denial of Service by sending genuine traffic to a device on a specific IPv4 port.EPSS 1.0%