Falhas do tipo CWE-20

5.439 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-2024-52982HIGHAnimate | Improper Input Validation (CWE-20)EPSS 0.4%CVE-2022-25729CRITICALImproper Input Validation in MODEMEPSS 0.4%CVE-2025-11346MEDIUMILIAS Base64 Decoding unserialize deserializationEPSS 0.4%CVE-2024-45871MEDIUMBandisoft BandiView 7.05 is Incorrect Access Control via sub_0x232bd8 resulting in denial of service (DOS).EPSS 0.4%CVE-2026-48704HIGHWarp Markdown notebook links may open executable local filesEPSS 0.4%CVE-2024-36047CRITICALInfoblox NIOS through 8.6.4 and 9.x through 9.0.3 has Improper Input Validation.EPSS 0.4%CVE-2026-3460MEDIUMREST API TO MiniProgram <= 5.1.2 - Authenticated (Subscriber+) Insecure Direct Object Reference via 'userid' REST API ParameterEPSS 0.4%CVE-2026-48720HIGHWarp: SSH remote output can lead to local file overwrite and persistenceEPSS 0.4%CVE-2023-0868MEDIUMStealing Cookies using Reflected XSS via graph resultsEPSS 0.4%CVE-2021-44769MEDIUMTLS Certificate Generation Function Improper Input ValidationEPSS 0.4%CVE-2026-20318CRITICALCisco Secure Workload Software Security Hardening Release August 2026 - Improper Input Validation VulnerabilitiesEPSS 0.4%CVE-2026-24504HIGHDell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13EPSS 0.4%CVE-2026-15529MEDIUMyzhao062 pyod persistence.py pyod.utils.persistence.load deserializationEPSS 0.4%CVE-2026-6675MEDIUMResponsive Blocks <= 2.2.0 - Unauthenticated Open Email Relay via REST API 'email_to' ParameterEPSS 0.4%CVE-2024-47934MEDIUMTXOne Networks Portable Inspector Management Program Improper Input Validation VulnerabilityEPSS 0.4%CVE-2026-21675CRITICALiccDEV has a Use After Free vulnerability in CIccCmm class via improper hint manager object deletionEPSS 0.4%CVE-2026-37458MEDIUMMissing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to causEPSS 0.4%CVE-2025-64719MEDIUMGogs: Denial of Service in repository/wiki file listing web pagesEPSS 0.4%CVE-2025-8573LOWConcrete CMS 9 through 9.4.2 is vulnerable to Stored XSS from Home Folder on Members Dashboard pageEPSS 0.4%CVE-2025-20183MEDIUMCisco Secure Web Appliance Range Request Bypass VulnerabilityEPSS 0.4%