Fallos del tipo CWE-284

7967 resultados

Controle de acesso insuficiente ou ausente

A aplicação não valida corretamente quem pode acessar determinado recurso (arquivo, API, função, dados), permitindo que usuários não autorizados façam operações que deveriam estar bloqueadas. É um dos problemas mais comuns em segurança: sem autenticação e autorização robustas, qualquer um consegue fazer o que não deveria.

Ejemplo

Um admin panel acessível via /admin sem login real, ou uma API que retorna dados de qualquer usuário basta mudar um ID na URL sem verificar se você tem permissão. Outro caso: arquivo de configuração com credenciais exposto publicamente porque a aplicação não define permissões de leitura no servidor.

Cómo mitigar

Implemente autenticação forte (sessões, tokens JWT) e autorização em toda operação sensível — verifique explicitamente se o usuário logado tem permissão antes de retornar dados ou executar ações. Use listas de controle de acesso (ACL) ou Role-Based Access Control (RBAC), e nunca confie em IDs de usuário vindos do cliente sem validação server-side.

CVE-2025-27649CRITICALVasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.893 Application 20.0.2140 allows Incorrect Access Control: PHP V-202EPSS 0.9%CVE-2025-7874MEDIUMMetasoft 美特软件 MetaCRM env.jsp information disclosureEPSS 0.9%CVE-2022-23241HIGHClustered Data ONTAP versions 9.11.1 through 9.11.1P2 with SnapLock configured FlexGroups are susceptible to a vulnerability which could allEPSS 0.9%CVE-2020-25238—A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). ManipulatingEPSS 0.9%CVE-2018-8922MEDIUMImproper access control vulnerability in Synology Drive before 1.0.2-10275 allows remote authenticated users to access non-shared files or fEPSS 0.9%CVE-2021-25672—A vulnerability has been identified in Mendix Forgot Password Appstore module (All Versions < V3.2.1). The Forgot Password Marketplace modulEPSS 0.9%CVE-2020-5302HIGHunprivileged user can access priviledged action in MH-WikiBotEPSS 0.9%CVE-2019-6538CRITICALMedtronic Conexus Radio Frequency Telemetry Protocol Improper Access ControlEPSS 0.9%CVE-2022-24730HIGHPath traversal and improper access control allows leaking out-of-bound files from Argo CD repo-serverEPSS 0.9%CVE-2026-51897CRITICALRAGFlow 0.24.0 contains improper access control in get_dataset (api/apps/evaluation_app). Depending on the exposed entry, an attacker can trEPSS 0.9%CVE-2025-30462CRITICALA library injection issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS EPSS 0.9%CVE-2024-29060MEDIUMVisual Studio Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2025-21202MEDIUMWindows Recovery Environment Agent Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2023-23446HIGHImproper Access Control in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows aEPSS 0.9%CVE-2024-20291MEDIUMA vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in EPSS 0.9%CVE-2026-52608CRITICALAn incorrect access control vulnerability in reportico-web <= 8.1.0 allows an unauthenticated attacker to inject arbitrary php code into theEPSS 0.9%CVE-2020-10731—A flaw was found in the nova_libvirt container provided by the Red Hat OpenStack Platform 16, where it does not have SELinux enabled. This fEPSS 0.9%CVE-2024-28917MEDIUMAzure Arc-enabled Kubernetes Extension Cluster-Scope Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2022-34270CRITICALAn issue was discovered in RWS WorldServer before 11.7.3. Regular users can create users with the Administrator role via UserWSUserManager.EPSS 0.9%CVE-2026-5215MEDIUMD-Link DNS-1550-04 network_mgr.cgi cgi_get_ipv6 access controlEPSS 0.9%