Falhas do tipo CWE-284

7.046 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-2025-10093MEDIUMD-Link DIR-852 Device Configuration getcfg.php phpcgi_main information disclosureEPSS 1.0%CVE-2020-26072HIGHCisco IoT Field Network Director SOAP API Authorization Bypass VulnerabilityEPSS 1.0%CVE-2022-0731MEDIUMImproper Access Control (IDOR) in dolibarr/dolibarrEPSS 1.0%CVE-2025-2548MEDIUMD-Link DIR-618/DIR-605L formSetDomainFilter access controlEPSS 1.0%CVE-2025-2549MEDIUMD-Link DIR-618/DIR-605L formSetPassword access controlEPSS 1.0%CVE-2022-27185CRITICALA denial of service vulnerability exists in the confctl_set_master_wlan functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14. A speciallyEPSS 1.0%CVE-2022-27660CRITICALA denial of service vulnerability exists in the confctl_set_guest_wlan functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A speciallyEPSS 1.0%CVE-2023-40060HIGH2FA/MFA Bypass Vulnerability in Serv-U 15.4 and 15.4 Hotfix 1EPSS 1.0%CVE-2025-23048CRITICALApache HTTP Server: mod_ssl access control bypass with session resumptionEPSS 1.0%CVE-2021-34696MEDIUMCisco ASR 900 and ASR 920 Series Aggregation Services Routers Access Control List Bypass VulnerabilityEPSS 1.0%CVE-2021-1591MEDIUMCisco Nexus 9500 Series Switches Access Control List Bypass VulnerabilityEPSS 1.0%CVE-2021-34754MEDIUMCisco Firepower Threat Defense Software Ethernet Industrial Protocol Policy Bypass VulnerabilitiesEPSS 1.0%CVE-2024-42919CRITICALeScan Management Console 14.0.1400.2281 is vulnerable to Incorrect Access Control via acteScanAVReport.EPSS 1.0%CVE-2021-24845—Improved Include Page <= 1.2 - Contributor+ Arbitrary Posts/Pages AccessEPSS 1.0%CVE-2023-24058MEDIUMBooked Scheduler 2.5.5 allows authenticated users to create and schedule events for any other user via a modified userId value to reservatioEPSS 1.0%CVE-2022-23768HIGHNeo Information Sys. NIS-HAP11AC remote access and manipulation vulnerabilityEPSS 1.0%CVE-2026-49049HIGHJoomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handlerEPSS 1.0%CVE-2026-5311MEDIUMD-Link DNS-1550-04 file_center.cgi Webdav_Access_List access controlEPSS 1.0%CVE-2017-7497MEDIUMThe dialog for creating cloud volumes (cinder provider) in CloudForms does not filter cloud tenants by user. An attacker with the ability toEPSS 1.0%CVE-2018-0119—A vulnerability in certain authentication controls in the account services of Cisco Spark could allow an authenticated, remote attacker to iEPSS 1.0%