Falhas do tipo CWE-287

2.451 resultados

Autenticação Insuficiente ou Ausente

Quando um usuário ou sistema afirma ser quem diz que é, a aplicação não valida (ou valida mal) essa identidade antes de conceder acesso. Isso permite que um atacante se passe por outra pessoa sem fornecer credenciais válidas, obtendo privilégios indevidos.

Exemplo

Um sistema que aceita login apenas verificando um campo de e-mail na sessão (sem senha), ou uma API que confia em um identificador de usuário enviado no header HTTP sem validar um token assinado. Um atacante simplesmente muda o valor e acessa dados de terceiros.

Como mitigar

Implemente autenticação robusta: exija senha forte + MFA quando possível, valide tokens com assinatura criptográfica, revoque sessões expiradas, e nunca confie em dados controlados pelo cliente. Teste autenticação em cada endpoint crítico.

CVE-2026-1524LOWAuth misconfiguration when multiple providers enabledEPSS 0.3%CVE-2024-7487MEDIUMImproper Authentication in WSO2 Identity Server 7.0.0 Allows Bypass of App-Native AuthenticationEPSS 0.3%CVE-2024-40713HIGHA vulnerability that allows a user who has been assigned a low-privileged role within Veeam Backup & Replication to alter Multi-Factor AutheEPSS 0.3%CVE-2025-65397MEDIUMAn insecure authentication mechanism in the safe_exec.sh startup script of Blurams Flare Camera version 24.1114.151.929 and earlier allows aEPSS 0.3%CVE-2025-31228MEDIUMThe issue was addressed with improved authentication. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7. An attacker with physiEPSS 0.3%CVE-2025-66515LOWNextcloud Approval app allows users to request approval for other users fileEPSS 0.3%CVE-2022-31011HIGHTiDB authentication bypass vulnerabilityEPSS 0.3%CVE-2025-22232MEDIUMSpring Cloud Config Server May Not Use Vault Token Sent By ClientsEPSS 0.3%CVE-2024-50341LOWSecurity::login does not take into account custom user_checker in symfony/security-bundleEPSS 0.3%CVE-2025-41108CRITICALImproper Authentication vulnerability in Ghost Robotics' Vision 60EPSS 0.3%CVE-2026-30223HIGHOliveTin: JWT Audience Validation Bypass in Local Key and HMAC ModesEPSS 0.3%CVE-2024-0568HIGH CWE-287: Improper Authentication vulnerability exists that could cause unauthorized tampering of device configuration over NFC communicatioEPSS 0.3%CVE-2025-55340HIGHWindows Remote Desktop Protocol Security Feature BypassEPSS 0.3%CVE-2026-15087MEDIUMClean RESTful - Critical - Unsupported - SA-CONTRIB-2026-078EPSS 0.3%CVE-2026-25922HIGHauthentik has a Signature Verification Bypass via SAML Assertion WrappingEPSS 0.3%CVE-2023-40282MEDIUMImproper authentication vulnerability in Rakuten WiFi Pocket all versions allows a network-adjacent attacker to log in to the product's ManaEPSS 0.3%CVE-2026-30836CRITICALStep CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)EPSS 0.3%CVE-2021-33076MEDIUMImproper authentication in firmware for some Intel(R) SSD DC Products may allow an unauthenticated user to potentially enable escalation of EPSS 0.3%CVE-2023-21467MEDIUMError in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted messaEPSS 0.3%CVE-2024-37897MEDIUMInsufficient access control for password reset in sftpgoEPSS 0.3%