Weaknesses of type CWE-20

5,450 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-2025-52544HIGHArbitrary read file from the filesystemEPSS 0.4%CVE-2017-12286—A vulnerability in the web interface of Cisco Jabber could allow an authenticated, local attacker to retrieve user profile information from EPSS 0.4%CVE-2026-61711MEDIUMBuildKit: Custom frontend could bypass Seccomp/AppArmorEPSS 0.4%CVE-2022-42800HIGHThis issue was addressed with improved checks. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, macOS Ventura 13, watchOS 9.1, iOS 16.1 EPSS 0.4%CVE-2026-33769LOWAstro: Remote allowlist bypass via unanchored matchPathname wildcardEPSS 0.4%CVE-2026-13968HIGHInsufficient validation of untrusted input in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a useEPSS 0.4%CVE-2017-12252—A vulnerability in the Cisco FindIT Network Discovery Utility could allow an authenticated, local attacker to perform a DLL preloading attacEPSS 0.4%CVE-2026-15771MEDIUMInsufficient validation of untrusted input in Media in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker who had coEPSS 0.4%CVE-2025-15453MEDIUMmilvus HTTP Endpoint expr.go expr.Exec deserializationEPSS 0.4%CVE-2025-62162HIGHcel-rust May Panic During Parsing of Invalid CEL ExpressionsEPSS 0.4%CVE-2025-46047MEDIUMA User enumeration vulnerability in the /CredentialsServlet/ForgotPassword endpoint in Silverpeas 6.4.1 and 6.4.2 allows remote attackers toEPSS 0.4%CVE-2026-5473LOWNASA cFS Pickle pickle.load deserializationEPSS 0.4%CVE-2026-20643MEDIUMA cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security ImprovemEPSS 0.4%CVE-2025-30480MEDIUMDell PowerProtect Data Manager, versions prior to 19.19, contain(s) an Improper Input Validation vulnerability in PowerProtect Data Manager.EPSS 0.4%CVE-2026-3230LOWImproper key_share validation in TLS 1.3 HelloRetryRequestEPSS 0.4%CVE-2024-34098HIGHZDI-CAN-XXXX: [Pwn2Own] Acrobat sandbox bypass part 1 of 2EPSS 0.4%CVE-2017-6795—A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an aEPSS 0.4%CVE-2023-25901HIGHZDI-CAN-19508: Adobe Dimension USD File Improper Input Validation Remote Code Execution VulnerabilityEPSS 0.4%CVE-2022-29191MEDIUMMissing validation causes denial of service via `GetSessionTensor` in TensorFlowEPSS 0.4%CVE-2026-53492HIGHcontainerd CRI checkpoint restore CDI annotation smugglingEPSS 0.4%