Falhas do tipo CWE-20

5.455 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-2026-13024MEDIUMInsufficient validation of untrusted input in Navigation in Google Chrome prior to 149.0.7827.197 allowed a remote attacker who had compromiEPSS 0.2%CVE-2024-28240HIGHGLPI-Agent's MSI package installation permits local users to change Agent configurationEPSS 0.2%CVE-2025-14576HIGHPossible QML code injection in VectorImage componentEPSS 0.2%CVE-2024-47238HIGHDell Client Platform BIOS contains an Improper Input Validation vulnerability in an externally developed component. A high privileged attackEPSS 0.2%CVE-2023-39538HIGHFailure when uploading a Logo image fileEPSS 0.2%CVE-2026-9986MEDIUMInsufficient validation of untrusted input in OptimizationGuide in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had cEPSS 0.2%CVE-2024-56437MEDIUMVulnerability of input parameters not being verified in the widget framework module Impact: Successful exploitation of this vulnerability maEPSS 0.2%CVE-2024-21944MEDIUMImproper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a sysEPSS 0.2%CVE-2026-11151HIGHInsufficient validation of untrusted input in Password Manager in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had comEPSS 0.2%CVE-2026-11149HIGHInsufficient validation of untrusted input in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromisEPSS 0.2%CVE-2024-52579MEDIUMServer-Side Request Forgery vulnerability in various APIs in MisskeyEPSS 0.2%CVE-2022-20338LOWIn HierarchicalUri.readFrom of Uri.java, there is a possible way to craft a malformed Uri object due to improper input validation. This coulEPSS 0.2%CVE-2026-11239HIGHInappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the rendereEPSS 0.2%CVE-2025-59301MEDIUMModbus/TCP Dos Vulnerability in DVP15MC11TEPSS 0.2%CVE-2026-22204MEDIUMwpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() RecipientEPSS 0.2%CVE-2026-7993MEDIUMInsufficient validation of untrusted input in Payments in Google Chrome on Android prior to 148.0.7778.96 allowed a remote attacker who had EPSS 0.2%CVE-2026-21501MEDIUMStack Overflow in iccDEV Calculator ParserEPSS 0.2%CVE-2026-11737MEDIUMSome NETGEAR Nighthawk devices allow administrators to tamper with the deviceEPSS 0.2%CVE-2026-21500MEDIUMStack Overflow in iccDEV XML Calculator Macro ExpansionEPSS 0.2%CVE-2026-7947MEDIUMInsufficient validation of untrusted input in Network in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised EPSS 0.2%