Weaknesses of type CWE-20

5,455 results

Validação inadequada de entrada

O software recebe dados do usuário ou de fontes externas, mas não verifica ou verifica de forma incompleta se esses dados têm as propriedades necessárias para processar com segurança. Isso permite que entradas malformadas, maliciosas ou inesperadas passem por controles e causem comportamentos indevidos — desde crashes até injeção de código.

Example

Uma aplicação web recebe um parâmetro numérico via GET, mas não valida se é realmente um número inteiro válido antes de usá-lo em uma consulta SQL. Um atacante envia um valor com caracteres especiais (ex: `1' OR '1'='1`), conseguindo injetar código SQL direto no banco de dados.

How to mitigate

Implemente validação rigorosa na entrada: defina o tipo, formato, comprimento e intervalo esperados; rejeite tudo que não se encaixe. Use listas de caracteres permitidos ('whitelist'), escape de dados para o contexto específico (SQL, HTML, URL) e bibliotecas de validação consolidadas. Nunca confie em dados do cliente.

CVE-2021-0185HIGHImproper input validation in the firmware for some Intel(R) Server Board M10JNP Family before version 7.216 may allow a privileged user to pEPSS 0.2%CVE-2023-30559MEDIUMWireless Card Firmware Improperly SignedEPSS 0.2%CVE-2023-45176MEDIUMIBM App Connect Enterprise and IBM Integration Bus denial of serviceEPSS 0.2%CVE-2022-3675LOWFedora CoreOS supports setting a GRUB bootloader password using a Butane config. When this feature is enabled, GRUB requires a password to aEPSS 0.2%CVE-2024-32859HIGHDell Client Platform BIOS contains an Improper Input Validation vulnerability in an externally developed component. A high privileged attackEPSS 0.2%CVE-2023-21502MEDIUMImproper input validation vulnerability in FactoryTest application prior to SMR May-2023 Release 1 allows local attackers to get privilege eEPSS 0.2%CVE-2026-11261MEDIUMInappropriate implementation in PDF in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer proceEPSS 0.2%CVE-2022-29466HIGHImproper input validation in firmware for Intel(R) SPS before version SPS_E3_04.01.04.700.0 may allow an authenticated user to potentially eEPSS 0.2%CVE-2026-72711MEDIUMLean 4 before 4.32.2 Kernel Accepts Opaque Declaration With an Unbound Free VariableEPSS 0.2%CVE-2026-11220MEDIUMInsufficient validation of untrusted input in Navigation in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromisEPSS 0.2%CVE-2024-32858HIGHDell Client Platform BIOS contains an Improper Input Validation vulnerability in an externally developed component. A high privileged attackEPSS 0.2%CVE-2024-32860HIGHDell Client Platform BIOS contains an Improper Input Validation vulnerability in an externally developed component. A high privileged attackEPSS 0.2%CVE-2026-9157HIGHRemote Code Execution in Gmission Web FAXEPSS 0.2%CVE-2023-31035HIGHCVEEPSS 0.2%CVE-2026-10037HIGHSandbox Escape in Ubuntu OpenJDK Packages via xdg-desktop-portalEPSS 0.2%CVE-2026-59569HIGHAndroid ZCC VPN API method privilege escalationEPSS 0.2%CVE-2026-11223MEDIUMInsufficient validation of untrusted input in Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised EPSS 0.2%CVE-2026-11192MEDIUMInsufficient validation of untrusted input in Password Manager in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to perform EPSS 0.2%CVE-2025-27493CRITICALA vulnerability has been identified in SiPass integrated AC5102 (ACC-G2) (All versions < V6.4.9), SiPass integrated ACC-AP (All versions < VEPSS 0.2%CVE-2026-13006HIGHIncomplete protection against CVE-2025-11226EPSS 0.2%