Falhas do tipo CWE-20

5.450 resultados

Validação inadequada de entrada

A aplicação recebe dados do usuário ou de fontes externas mas não valida (ou valida mal) se esses dados têm as propriedades necessárias para processamento seguro. Isso abre porta para injeção de código, buffer overflow, lógica corrompida e outros ataques que exploram dados malformados ou maliciosos.

Exemplo

Um formulário web aceita um CPF sem verificar se tem 11 dígitos numéricos, ou um app móvel recebe um ID de usuário em JSON sem confirmar se é um inteiro — atacantes exploram isso para acessar dados de outros usuários, executar queries SQL maliciosas ou causar erro de processamento.

Como mitigar

Implemente validação rigorosa na entrada: verifique tipo, comprimento, formato, intervalo de valores permitidos. Use whitelist (aceitar só o que você sabe ser seguro) em vez de blacklist. Valide tanto no cliente quanto no servidor, e use bibliotecas de parsing seguro para formatos complexos (XML, JSON).

CVE-2021-0179MEDIUMImproper Use of Validation Framework in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an uEPSS 0.4%CVE-2025-26702MEDIUMImproper Input Validation vulnerability in ZTE GoldenDB allows Input Data Manipulation.This issue affects GoldenDB: from 6.1.03 through 6.1.EPSS 0.4%CVE-2025-0248HIGHHCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability,EPSS 0.4%CVE-2023-52552HIGHInput verification vulnerability in the power module. Impact: Successful exploitation of this vulnerability will affect availability.EPSS 0.4%CVE-2026-44204MEDIUMShelf: SQL Injection via sortBy ParameterEPSS 0.4%CVE-2023-6784MEDIUMPotential Use of the Sitefinity System for Distribution of Phishing EmailsEPSS 0.4%CVE-2023-52372HIGHVulnerability of input parameter verification in the motor module.Successful exploitation of this vulnerability may affect availability.EPSS 0.4%CVE-2023-45745HIGHImproper input validation in some Intel(R) TDX module software before version 1.5.05.46.698 may allow a privileged user to potentially enablEPSS 0.4%CVE-2021-0177MEDIUMImproper Validation of Consistency within input in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 mayEPSS 0.4%CVE-2024-41856HIGHIllustrator | Improper Input Validation (CWE-20)EPSS 0.4%CVE-2021-0178MEDIUMImproper input validation in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticaEPSS 0.4%CVE-2026-40958LOWInput validation error in Secure Access clients prior to 14.55EPSS 0.4%CVE-2026-45137HIGHAnchor: Program<'info, System> is not properly validatedEPSS 0.4%CVE-2025-3777LOWImproper Input Validation in huggingface/transformersEPSS 0.4%CVE-2026-55602MEDIUMhttp-proxy-middleware `router` host+path substring matching allows Host-header-driven backend routing bypassEPSS 0.4%CVE-2020-3204MEDIUMCisco IOS and IOS XE Software Tcl Arbitrary Code Execution VulnerabilityEPSS 0.4%CVE-2026-33587CRITICALRemote Code Execution (RCE) via Server-Side Template Injection (SSTI)EPSS 0.4%CVE-2025-26488HIGHImproper input validation in XML Management service in Infinera MTC-9EPSS 0.4%CVE-2026-5500HIGHImproper Validation of AES-GCM Authentication Tag Length in PKCS#7 Envelope Allows Authentication BypassEPSS 0.4%CVE-2025-3068HIGHInappropriate implementation in Intents in Google Chrome on Android prior to 135.0.7049.52 allowed a remote attacker to perform privilege esEPSS 0.4%