Falhas do tipo CWE-20

5.417 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-2024-49073MEDIUMWindows Mobile Broadband Driver Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2022-31810HIGHA vulnerability has been identified in SiPass integrated (All versions < V2.90.3.8). Affected server applications improperly check the size EPSS 0.9%CVE-2019-1875MEDIUMCisco Prime Service Catalog Cross-Site Scripting VulnerabilityEPSS 0.9%CVE-2026-73418HIGHNextAuth.js: getToken() throws an uncaught exception on malformed Bearer authorization headersEPSS 0.9%CVE-2023-42661HIGHJFrog Artifactory Improper input validation leads to arbitrary file writeEPSS 0.9%CVE-2022-40266MEDIUMDenial-of-Service (DoS) Vulnerability in FTP Server Function on GOT2000 SeriesEPSS 0.9%CVE-2026-88064HIGHBackstage: Improper input validation in TechDocs MkDocs configurationEPSS 0.9%CVE-2024-38245HIGHKernel Streaming Service Driver Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2025-59532HIGHCodex has sandbox bypass due to bug in path configuration logicEPSS 0.9%CVE-2023-32727MEDIUMCode execution vulnerability in icmppingEPSS 0.9%CVE-2023-28301LOWMicrosoft Edge (Chromium-based) Tampering VulnerabilityEPSS 0.9%CVE-2022-2529HIGHMultiple DoS Attack Vectors in sflow packet handlingEPSS 0.9%CVE-2025-64993MEDIUMCommand Injection in 1E-ConfigMgrConsoleExtensions InstructionsEPSS 0.9%CVE-2025-64991MEDIUMCommand Injection in 1E-PatchInsights-Deploy InstructionEPSS 0.9%CVE-2025-64992MEDIUMCommand Injection in 1E-Nomad-PauseNomadJobQueue InstructionEPSS 0.9%CVE-2023-28100CRITICALTIOCLINUX can send commands outside sandbox if running on a virtual consoleEPSS 0.9%CVE-2017-12273—A vulnerability in 802.11 association request frame processing for the Cisco Aironet 1560, 2800, and 3800 Series Access Points could allow aEPSS 0.9%CVE-2022-31036MEDIUMSymlink following allows leaking out-of-bounds YAML files from Argo CD repo-serverEPSS 0.9%CVE-2026-27891HIGHRemote Code Execution (RCE) via Zip Slip in Plugin Upload MechanismEPSS 0.9%CVE-2023-27491MEDIUMEnvoy forwards invalid Http2/Http3 downstream headersEPSS 0.9%