Fallos del tipo CWE-287

2451 resultados

Autenticação inadequada ou ausente

A aplicação não valida ou valida de forma insuficiente a identidade de quem tenta acessá-la. Quando um usuário diz ser quem é, o sistema acredita sem verificar corretamente, permitindo que atacantes se façam passar por outros usuários ou contas legítimas.

Ejemplo

Um sistema que aceita login apenas com nome de usuário, sem senha. Ou uma API que confia no header 'User-ID' enviado pelo cliente sem validar se aquele usuário realmente existe ou tem sessão ativa. Um atacante simplesmente altera o header e acessa dados de outra conta.

Cómo mitigar

Implemente autenticação robusta: exija múltiplos fatores (senha forte + MFA), valide credenciais contra base de dados segura, use sessões com token assinado e com expiração, nunca confie em dados enviados pelo cliente como prova de identidade. Revise regularmente logs de acesso para detectar abusos.

CVE-2024-37897MEDIUMInsufficient access control for password reset in sftpgoEPSS 0.3%CVE-2026-73764HIGHAuthentication Bypass Vulnerabilities Leading to Unauthorized Modification and Service Disruption in AOS-CXEPSS 0.3%CVE-2023-50804LOWAn issue was discovered in Samsung Mobile Processor, and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, ExEPSS 0.3%CVE-2026-14216MEDIUMAmelia < 2.4.7 - Unauthenticated Notification Queue DispatchEPSS 0.3%CVE-2024-35775MEDIUMWordPress Slider by Soliloquy plugin <= 2.7.6 - Broken Access Control to XSS vulnerabilityEPSS 0.3%CVE-2025-15671MEDIUMWelcart e-Commerce < 2.12.1 - Session Fixation via uscesid ParameterEPSS 0.3%CVE-2024-10474CRITICALFocus was incorrectly allowing internal links to utilize the app scheme used for deeplinking, which could result in links potentially circumEPSS 0.3%CVE-2026-16282MEDIUMAppointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost ParameterEPSS 0.3%CVE-2026-14547MEDIUMEstatik Real Estate Plugin < 4.3.3 - Unauthenticated Arbitrary-Recipient Mail Relay via Request FormEPSS 0.3%CVE-2026-14305MEDIUMWP Delicious < 1.10.2 - Unauthenticated Arbitrary Post Meta Update via recipe_likesEPSS 0.3%CVE-2026-15315HIGHUnauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200EPSS 0.3%CVE-2025-10463HIGHImproper Authentication in Birtech Information Technologies' SensawayEPSS 0.3%CVE-2022-43978MEDIUMLimited Authentication bypass due to hardcoded secretEPSS 0.3%CVE-2026-85350MEDIUMUpsellWP < 2.2.10 - Unauthenticated Price Manipulation via Frequently Bought TogetherEPSS 0.3%CVE-2022-42463HIGHSoftbus_server in communication subsystem has a authenication bypass vulnerability in a callback handler function. Attackers can launch attacks on distributed networks by sending Bluetooth rfcomm packets to any remote device and executing arbitrary co ...EPSS 0.3%CVE-2023-30560MEDIUM PCU Configuration Lacks AuthenticationEPSS 0.3%CVE-2026-54047CRITICALLaci Synchroni Backend Vulnerable to Account Takeover / User Impersonation via Client-Side Configuration ManipulationEPSS 0.3%CVE-2025-21450CRITICALImproper Authentication in GPS_GNSSEPSS 0.3%CVE-2026-79974MEDIUMDell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper AuthentiEPSS 0.3%CVE-2026-44810HIGHMicrosoft Cryptographic Services Elevation of Privilege VulnerabilityEPSS 0.3%