Fallos del tipo CWE-290

717 resultados

Autenticação inadequada sujeita a falsificação de identidade

Ocorre quando o mecanismo de autenticação é implementado de forma fraca ou incompleta, permitindo que um atacante se faça passar por outro usuário ou sistema sem precisar das credenciais legítimas. O risco é grave: qualquer um pode ganhar acesso não autorizado simplesmente contornando ou falsificando a identidade.

Ejemplo

Um app que autentica usuários apenas verificando um header HTTP customizado (tipo 'X-User-ID: 123') sem validação criptográfica real. Um atacante muda esse header para 'X-User-ID: admin' e consegue acesso à conta administrativa. Ou um serviço que aceita requisições apenas porque vêm de um IP específico, sem verificar certificados ou assinaturas.

Cómo mitigar

Use protocolos de autenticação estabelecidos (OAuth 2.0, JWT com assinatura, SAML) em vez de inventar o seu. Sempre valide credenciais no servidor com mecanismos criptográficos (hash, assinatura digital, certificados). Nunca confie em headers HTTP, IPs ou tokens não assinados como prova única de identidade.

CVE-2026-76356HIGHAuthentication Bypass through IP Address Spoofing in the Automation Broker in Splunk SOAREPSS 0.6%CVE-2025-34063CRITICALOneLogin AD Connector JWT Authentication Bypass via Exposed Signing KeyEPSS 0.6%CVE-2024-46957CRITICALMellium mellium.im/xmpp 0.0.1 through 0.21.4 allows response spoofing if the implementation uses predictable IDs because the stanza type is EPSS 0.6%CVE-2026-54089CRITICALFile Browser: Authentication Bypass via Proxy Auth Header ForgeryEPSS 0.6%CVE-2026-77089CRITICALCommand Center API Authentication BypassEPSS 0.6%CVE-2026-13207HIGHFrangoteam FUXA SCADA/HMI Authentication Bypass by SpoofingEPSS 0.6%CVE-2026-71485CRITICALCentrifugo: Client-forgeable headers emulation lets any client spoof headers forwarded to proxy backendsEPSS 0.6%CVE-2026-28008CRITICALWordPress OAuth Single Sign On – SSO (OAuth Client) plugin <= 7.0.0 - Broken Authentication vulnerabilityEPSS 0.6%CVE-2026-86478CRITICALIn JetBrains YouTrack before 2025.3.161254, 2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeoEPSS 0.6%CVE-2023-3243HIGH ** UNSUPPORTED WHEN ASSIGNED ** [An attacker can capture an authenticating hash and utilize it to create new sessions. The hash is also a pEPSS 0.6%CVE-2026-62108CRITICALWordPress Headless Single Sign On plugin <= 1.7.0 - Broken Authentication vulnerabilityEPSS 0.6%CVE-2024-22520HIGHAn issue discovered in Dronetag Drone Scanner 1.5.2 allows attackers to impersonate other drones via transmission of crafted data packets.EPSS 0.6%CVE-2020-37056MEDIUMCrystal Shard http-protection 0.2.0 - IP Spoofing BypassEPSS 0.6%CVE-2026-59157MEDIUMwebhookd: Unrestricted HTTP Header to Shell Variable InjectionEPSS 0.6%CVE-2026-46414HIGHMicrosoft UFO WebSocket role spoofing allows authenticated peer task hijackingEPSS 0.6%CVE-2025-30144MEDIUMFast-JWT Improperly Validates iss ClaimsEPSS 0.6%CVE-2022-36331CRITICALImpersonation attack causing an Authentication Bypass on Western Digital devicesEPSS 0.6%CVE-2024-35538MEDIUMTypecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifyEPSS 0.6%CVE-2023-44447MEDIUMTP-Link TL-WR902AC loginFs Improper Authentication Information Disclosure VulnerabilityEPSS 0.6%CVE-2023-2001MEDIUMAn issue has been discovered in GitLab CE/EE affecting all versions before 15.10.8, all versions starting from 15.11 before 15.11.7, all verEPSS 0.6%