Falhas do tipo CWE-307

545 resultados

Falta de proteção contra tentativas excessivas de autenticação

A aplicação não limita ou não desacelera tentativas de login, permitindo que um atacante teste múltiplas credenciais rapidamente (força bruta, dicionário ou spray de senhas). Sem controle, a conta fica vulnerável a comprometimento, especialmente se senhas fracas forem usadas.

Exemplo

Um endpoint de login que aceita 10 mil requisições por segundo sem nenhuma restrição. Um atacante automatiza tentativas com senhas comuns contra mil usuários até acertar credenciais válidas em poucos minutos.

Como mitigar

Implemente rate limiting (máximo de tentativas por IP/usuário em período curto), atrasos progressivos (backoff exponencial) após falhas, bloqueio temporário de conta após N tentativas, e idealmente autenticação multifator para reduzir o dano de senhas comprometidas.

CVE-2026-71205MEDIUMchangedetection.io - No Rate Limiting on /login Enables Unlimited Password Brute-ForceEPSS 0.3%CVE-2025-47951MEDIUMWeblate lacks rate limiting when verifying second factorEPSS 0.3%CVE-2026-108580MEDIUMAniWorld Downloader before 5.3.0 WebUI Login Brute Force via /loginEPSS 0.3%CVE-2026-22603MEDIUMOpenProject has no protection against brute-force attacks in the Change Password functionEPSS 0.3%CVE-2026-41213MEDIUM@node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codesEPSS 0.3%CVE-2024-3461MEDIUMKioWare for Windows (versions all through 8.35) allows to brute force the PIN number, which protects the application from being closed, as tEPSS 0.3%CVE-2024-25031MEDIUMIBM Storage Defender information disclosureEPSS 0.2%CVE-2026-35646MEDIUMOpenClaw < 2026.3.25 - Pre-Authentication Rate-Limit Bypass in Webhook Token ValidationEPSS 0.2%CVE-2025-46603HIGHDell CloudBoost Virtual Appliance, versions 19.13.0.0 and prior, contains an Improper Restriction of Excessive Authentication Attempts vulneEPSS 0.2%CVE-2025-67090MEDIUMThe LuCI web interface on Gl Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. Fix available in version 4.8.2 GL.Inet AX1800 VersionEPSS 0.2%CVE-2025-1629MEDIUMExcitel Broadband Private my Excitel App One-Time Password excessive authenticationEPSS 0.2%CVE-2026-123521MEDIUMVikunja before 2.7.1 Password Brute-Force via TOTP Disable EndpointEPSS 0.2%CVE-2025-10928MEDIUMAccess code - Moderately critical - Access bypass - SA-CONTRIB-2025-108EPSS 0.2%CVE-2023-25820MEDIUMNextcloud Server and Enterprise Server missing brute force protection on password confirmation modalEPSS 0.2%CVE-2025-54998MEDIUMOpenBao Userpass and LDAP User Lockout BypassEPSS 0.2%CVE-2021-36285MEDIUMDell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administratorEPSS 0.2%CVE-2021-36284MEDIUMDell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administratorEPSS 0.2%CVE-2026-123998HIGHHisense VIDAA Smart TV MQTT Broker Authentication BypassEPSS 0.2%CVE-2024-42176LOWHCL MyXalytics is affected by concurrent login vulnerabilityEPSS 0.2%CVE-2024-2323MEDIUMPassword Brute Force via Password History Validation in Multiple WSO2 Products Allows User Account DiscoveryEPSS 0.2%