Weaknesses of type CWE-284

7,073 results

Controle de acesso inadequado a recursos

A aplicação falha em validar ou impõe regras insuficientes para determinar quem pode acessar um recurso (arquivo, API, dados, funcionalidade). Um usuário não autorizado consegue contornar essas restrições e acessar o que não deveria, seja por falta de autenticação, autorização fraca ou lógica de controle de acesso bugada.

Example

Um sistema de gestão de RH permite que qualquer funcionário logado acesse `/api/salarios/{id}` substituindo o ID na URL. Sem verificar se o usuário é gestor ou RH, a API retorna dados salariais de qualquer pessoa da empresa. Um dev junior consegue ver quanto ganha o CTO.

How to mitigate

Implemente verificação explícita de permissões antes de qualquer acesso: confirme autenticação (quem é), autorização (o que pode fazer) e aplique o princípio do menor privilégio. Use listas de controle de acesso (ACL), roles bem definidos e sempre valide no backend, nunca confie em dados do cliente.

CVE-2026-21666CRITICALA vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.EPSS 1.1%CVE-2018-19945—Improper Limitation of a Pathname to a Restricted Directory in QTSEPSS 1.1%CVE-2021-36776HIGHSteve API proxy impersonationEPSS 1.1%CVE-2019-11899HIGHAn unauthenticated attacker can achieve unauthorized access to sensitive data by exploiting Windows SMB protocol on a client installation. WEPSS 1.1%CVE-2023-4696CRITICALImproper Access Control in usememos/memosEPSS 1.1%CVE-2022-1521CRITICAL3.2.4 IMPROPER ACCESS CONTROL CWE-284EPSS 1.1%CVE-2025-1595MEDIUMAnhui Xufan Information Technology EasyCVR getbaseconfig information disclosureEPSS 1.1%CVE-2021-24238—Realteo < 1.2.4 - Arbitrary Property Deletion via IDOREPSS 1.1%CVE-2020-3448MEDIUMCisco Cyber Vision Center Software Access Control Bypass VulnerabilityEPSS 1.1%CVE-2021-24359—The Plus Addons for Elementor Page Builder < 4.1.11 - Arbitrary Reset Pwd Email SendingEPSS 1.1%CVE-2019-15255MEDIUMCisco Identity Services Engine Authorization Bypass VulnerabilityEPSS 1.1%CVE-2019-15590—An access control issue exists in < 12.3.5, < 12.2.8, and < 12.1.14 for GitLab Community Edition (CE) and Enterprise Edition (EE) where privEPSS 1.1%CVE-2021-32652HIGHMissing permission check on email metadata retrievalEPSS 1.1%CVE-2024-25169CRITICALAn issue in Mezzanine v6.0.0 allows attackers to bypass access control mechanisms in the admin panel via a crafted request.EPSS 1.1%CVE-2018-16838MEDIUMA flaw was found in sssd Group Policy Objects implementation. When the GPO is not readable by SSSD due to a too strict permission settings oEPSS 1.1%CVE-2022-39337HIGHPermission bypass due to incorrect configuration in github.com/dromara/hertzbeatEPSS 1.1%CVE-2021-40130MEDIUMCisco Common Services Platform Collector Improper Logging Restriction VulnerabilityEPSS 1.1%CVE-2019-18275—OSIsoft PI Vision, All versions of PI Vision prior to 2019. The affected product is vulnerable to an improper access control, which may retuEPSS 1.1%CVE-2024-22026MEDIUMA local privilege escalation vulnerability in EPMM before 12.1.0.0 allows an authenticated local user to bypass shell restriction and executEPSS 1.1%CVE-2024-45811MEDIUMserver.fs.deny bypassed when using ?import&raw in viteEPSS 1.1%