Falhas do tipo CWE-306

3.054 resultados

Falta de autenticação em funcionalidades críticas

O software não valida a identidade do usuário antes de executar operações sensíveis ou que consomem recursos significativos (processamento, armazenamento, banda). Qualquer pessoa, autenticada ou não, consegue acessar e usar essas funcionalidades, criando risco de abuso, consumo não autorizado de recursos ou acesso a dados protegidos.

Exemplo

Uma API de relatórios que permite gerar análises pesadas sem verificar credenciais, permitindo um atacante disparar gerações de relatório em loop para derrubar o servidor. Ou um endpoint de backup que qualquer pessoa consegue chamar sem login, expondo dados sensíveis.

Como mitigar

Implemente verificação obrigatória de identidade (autenticação) em toda funcionalidade sensível ou cara computacionalmente. Use controles de sessão, tokens JWT ou OAuth, e combine com autorização (verificar se o usuário autenticado tem permissão específica para aquela ação).

CVE-2022-27582CRITICALPassword recovery vulnerability in SICK SIM4000 (PPC) Partnumber 1078787 allows an unprivileged remote attacker to gain access to the userleEPSS 1.4%CVE-2021-1246MEDIUMCisco Finesse OpenSocial Gadget Editor Unauthenticated Access VulnerabilityEPSS 1.4%CVE-2017-15123MEDIUMA flaw was found in the CloudForms web interface, versions 5.8 - 5.10, where the RSS feed URLs are not properly restricted to authenticated EPSS 1.4%CVE-2026-88062CRITICALOmniRoute ACP Custom-Agent Remote Code Execution (RCE)EPSS 1.4%CVE-2026-45332HIGHAutomad Broken Access Control: unauthenticated exposure of administrator bcrypt password hashes and TOTP secrets via public API endpointEPSS 1.4%CVE-2026-82693CRITICALTenda AC1206 Web UI telnet TendaTelnet missing authenticationEPSS 1.4%CVE-2026-82694CRITICALTenda AC1206 Web UI ate R7WebsSecurityHandler missing authenticationEPSS 1.4%CVE-2023-5376HIGHTFTP Without AuthenticationEPSS 1.4%CVE-2026-82695CRITICALTenda AC18 Telnet telnet missing authenticationEPSS 1.4%CVE-2021-27255MEDIUMThis vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. AEPSS 1.4%CVE-2019-5152HIGHAn exploitable information disclosure vulnerability exists in the network packet handling functionality of Shadowsocks-libev 3.3.2. When utiEPSS 1.4%CVE-2020-23648HIGHAsus RT-N12E 2.0.0.39 is affected by an incorrect access control vulnerability. Through system.asp / start_apply.htm, an attacker can changeEPSS 1.4%CVE-2019-13933—A vulnerability has been identified in SCALANCE X204RNA (HSR), SCALANCE X204RNA (PRP), SCALANCE X204RNA EEC (HSR), SCALANCE X204RNA EEC (PRPEPSS 1.4%CVE-2020-5328CRITICALDell EMC Isilon OneFS versions prior to 8.2.0 contain an unauthorized access vulnerability due to a lack of thorough authorization checks whEPSS 1.4%CVE-2020-5373MEDIUMDell EMC OpenManage Integration for Microsoft System Center (OMIMSSC) for SCCM and SCVMM versions prior to 7.2.1 contain an improper authentEPSS 1.4%CVE-2025-6763CRITICALComet System H3531 Web-based Management setupA.cfg missing authenticationEPSS 1.4%CVE-2020-15127HIGHDenial of service in ContourEPSS 1.4%CVE-2022-32157HIGHSplunk Enterprise deployment servers allow unauthenticated forwarder bundle downloadsEPSS 1.4%CVE-2023-27396CRITICALFINS (Factory Interface Network Service) is a message communication protocol, which is designed to be used in closed FA (Factory Automation)EPSS 1.4%CVE-2022-39426HIGHVulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are PriorEPSS 1.4%