Weaknesses of type CWE-20

5,889 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-2024-43523MEDIUMWindows Mobile Broadband Driver Remote Code Execution VulnerabilityEPSS 0.7%CVE-2024-43525MEDIUMWindows Mobile Broadband Driver Remote Code Execution VulnerabilityEPSS 0.7%CVE-2024-4142CRITICALJFrog Artifactory Improper input validation within token creation flowEPSS 0.7%CVE-2024-38307HIGHImproper input validation in the firmware for some Intel(R) AMT and Intel(R) Standard Manageability may allow an authenticated user to potenEPSS 0.7%CVE-2024-36226LOWAdobe Experience Manager | Improper Input Validation (CWE-20)EPSS 0.7%CVE-2026-46334HIGHOpenSIPS: Denial of Service in SDP bandwidth parsing via QoS SDP cloningEPSS 0.7%CVE-2020-3465HIGHCisco IOS XE Software Ethernet Frame Denial of Service VulnerabilityEPSS 0.7%CVE-2022-32238—When a user opens manipulated Encapsulated Post Script (.eps, ai.x3d) files received from untrusted sources in SAP 3D Visual Enterprise ViewEPSS 0.7%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-2023-0229MEDIUMA flaw was found in github.com/openshift/apiserver-library-go, used in OpenShift 4.12 and 4.11, that contains an issue that can allow low-prEPSS 0.7%CVE-2023-3768HIGHVulnerability in Ingeteam's INGEPAC EF/DAEPSS 0.7%CVE-2023-3769HIGHVulnerability in Ingeteam's INGEPAC EF EPSS 0.7%CVE-2020-3116MEDIUMCisco Webex Centers Denial of Service VulnerabilityEPSS 0.7%CVE-2026-59568CRITICALRemote Code ExecutionEPSS 0.7%CVE-2023-34390MEDIUM Improper input validation could lead to denial of serviceEPSS 0.7%CVE-2023-22898MEDIUMworkers/extractor.py in Pandora (aka pandora-analysis/pandora) 1.3.0 allows a denial of service when an attacker submits a deeply nested ZIPEPSS 0.7%CVE-2026-44417HIGHApache CXF: Incomplete fix for CVE-2025-48913 (Untrusted JMS configuration can lead to RCE)EPSS 0.7%CVE-2024-21473CRITICALImproper Input Validation in WIN SONEPSS 0.7%CVE-2026-81180HIGHSysReptor: Authenticated RCE by insecure image processingEPSS 0.7%CVE-2026-16723CRITICALRemote Code Execution in fastjson 1.2.68–1.2.83EPSS 0.7%