Falhas do tipo CWE-287

2.450 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-2026-14830HIGHFlxWoo < 3.1.1 - Unauthenticated Payment BypassEPSS 0.4%CVE-2022-25667HIGHInformation disclosure in kernel due to improper handling of ICMP requests in Snapdragon Wired Infrastructure and NetworkingEPSS 0.4%CVE-2025-31122CRITICALscratch-coding-hut.github.io Login Links Generation vulnerabilityEPSS 0.4%CVE-2026-75907HIGHCVE-2026-75907EPSS 0.4%CVE-2024-42164MEDIUMDisabling MFA without AuthenticationEPSS 0.4%CVE-2026-84458CRITICALZammad: Account takeover via unverified email matching during SSO auto-linkEPSS 0.4%CVE-2026-61067HIGHVulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that EPSS 0.4%CVE-2023-39531MEDIUMSentry vulnerable to incorrect credential validation on OAuth token requestsEPSS 0.4%CVE-2025-31478HIGHZulip Authentication Backend Configuration BypassEPSS 0.4%CVE-2025-41064CRITICALIncorrect authentication in GTT´s group OpenSIACEPSS 0.4%CVE-2025-10293HIGHKeyy Two Factor Authentication (like Clef) <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation via Account TakeoverEPSS 0.4%CVE-2025-46641MEDIUMDell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain an improper authEPSS 0.4%CVE-2018-0362—A vulnerability in BIOS authentication management of Cisco 5000 Series Enterprise Network Compute System and Cisco Unified Computing (UCS) EEPSS 0.4%CVE-2023-44096— Vulnerability of brute-force attacks on the device authentication module.Successful exploitation of this vulnerability may affect service cEPSS 0.4%CVE-2026-10611HIGHOTP bypass via plugin-based LDAP authentication in MISP when LDAP mixed authentication is enabledEPSS 0.4%CVE-2026-34736MEDIUMOpen edX Platform: Account Activation Bypass via activation_key Exposure in REST APIEPSS 0.4%CVE-2026-60615HIGHVulnerability in the PeopleSoft Enterprise CS Campus Community product of Oracle PeopleSoft (component: Security). The supported version tEPSS 0.4%CVE-2026-54320HIGHDaytona: Cross-tenant organization takeover via invitation acceptance with an unverified emailEPSS 0.4%CVE-2026-44460HIGHFileRise: TOTP Bypass via Setup Endpoint Disclosing Existing SecretEPSS 0.4%CVE-2025-69273HIGHSpectrum broken authenticationEPSS 0.4%