Weaknesses of type CWE-20

5,418 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-2023-40373MEDIUMIBM Db2 denial of serviceEPSS 0.8%CVE-2024-44809CRITICALA remote code execution (RCE) vulnerability exists in the Pi Camera project, version 1.0, maintained by RECANTHA. The issue arises from imprEPSS 0.8%CVE-2020-7867HIGHHelpu arbitrary file creation vulnerabilityEPSS 0.8%CVE-2017-12274—A vulnerability in Extensible Authentication Protocol (EAP) ingress frame processing for the Cisco Aironet 1560, 2800, and 3800 Series AccesEPSS 0.8%CVE-2026-24936CRITICALAn improper input validation vulnerability was found in ADM while joining a AD Domain.EPSS 0.8%CVE-2026-66793HIGHGovernance-policy-addon-controller: governance-policy-addon-controller: arbitrary container image override via managedclusteraddon annotation enables rce on spokeEPSS 0.8%CVE-2025-54306HIGHAn issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1. A remote code execution vulnerability exists in the neEPSS 0.8%CVE-2020-10622—LCDS LAquis SCADA Versions 4.3.1 and prior. The affected product is vulnerable to arbitrary file creation by unauthorized usersEPSS 0.8%CVE-2023-45193MEDIUMIBM Db2 denial of serviceEPSS 0.8%CVE-2026-0848CRITICALArbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR LoadingEPSS 0.8%CVE-2023-47161MEDIUMIBM UrbanCode Deploy denial of serviceEPSS 0.8%CVE-2024-38355HIGHUnhandled 'error' event in socket.ioEPSS 0.8%CVE-2021-31373HIGHJunos OS: SRX Series: Persistent XSS vulnerability in J-WebEPSS 0.8%CVE-2024-43540MEDIUMWindows Mobile Broadband Driver Denial of Service VulnerabilityEPSS 0.8%CVE-2023-21749HIGHWindows Kernel Elevation of Privilege VulnerabilityEPSS 0.8%CVE-2024-43542MEDIUMWindows Mobile Broadband Driver Denial of Service VulnerabilityEPSS 0.8%CVE-2026-33844CRITICALAzure Managed Instance for Apache Cassandra Remote Code Execution VulnerabilityEPSS 0.8%CVE-2024-43538MEDIUMWindows Mobile Broadband Driver Denial of Service VulnerabilityEPSS 0.8%CVE-2022-41214HIGHDue to insufficient input validation, SAP NetWeaver Application Server ABAP and ABAP Platform allows an attacker with high level privileges EPSS 0.8%CVE-2024-31841HIGHAn issue was discovered in Italtel Embrace 1.6.4. The web server fails to sanitize input data, allowing remote unauthenticated attackers to EPSS 0.8%