Falhas do tipo CWE-20

5.421 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-2022-32242—When a user opens manipulated Radiance Picture (.hdr, hdr.x3d) files received from untrusted sources in SAP 3D Visual Enterprise Viewer, theEPSS 0.7%CVE-2023-32037MEDIUMWindows Layer-2 Bridge Network Driver Information Disclosure VulnerabilityEPSS 0.7%CVE-2022-36392HIGHImproper input validation in some firmware for Intel(R) AMT and Intel(R) Standard Manageability before versions 11.8.94, 11.12.94, 11.22.94,EPSS 0.7%CVE-2021-34597HIGHPhoenix Contact: PC Worx/-Express prone to improper input validation vulnerabilityEPSS 0.7%CVE-2025-8227MEDIUMyanyutao0402 ChanCMS getArticle deserializationEPSS 0.7%CVE-2026-27623HIGHValkey has Pre-Authentication DOS from malformed RESP requestEPSS 0.7%CVE-2023-36860HIGHImproper input validation for some Intel Unison software may allow an authenticated user to potentially enable escalation of privilege via nEPSS 0.7%CVE-2024-27254MEDIUMIBM Db2 for Linux, UNIX and Windows denial of serviceEPSS 0.7%CVE-2024-22360MEDIUMIBM Db2 for Linux, UNIX and Windows denial of serviceEPSS 0.7%CVE-2024-25046MEDIUMIBM Db2 for Linux, UNIX and Windows denial of serviceEPSS 0.7%CVE-2026-3644MEDIUMIncomplete control character validation in http.cookiesEPSS 0.7%CVE-2024-49753MEDIUMDenied Host Validation Bypass in Zitadel ActionsEPSS 0.7%CVE-2023-3724CRITICALTLS 1.3 client issue handling malicious server when not including a KSE and PSK extensionEPSS 0.7%CVE-2024-4609HIGHRockwell Automation Datalog Function within in FactoryTalk® View SE contains SQL Injection VulnerabilityEPSS 0.7%CVE-2022-2232HIGHKeycloak: ldap injection on username inputEPSS 0.7%CVE-2022-40235MEDIUM"IBM InfoSphere Information Server 11.7 could allow a user to cause a denial of service by removing the ability to run jobs due to improper EPSS 0.7%CVE-2026-19480HIGHCAI Content Credentials | Improper Input Validation (CWE-20)EPSS 0.7%CVE-2023-34239HIGHUnfiltered paths in gradioEPSS 0.7%CVE-2025-31217MEDIUMThe issue was addressed with improved input validation. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS SEPSS 0.7%CVE-2026-27642MEDIUMfree5GC has Improper Input Validation in UDM UEAU ServiceEPSS 0.7%