Fallos del tipo CWE-20

5429 resultados

Validação inadequada de entrada

A aplicação recebe dados de fontes externas (usuário, API, arquivo) sem verificar se estão no formato, tamanho ou tipo esperado antes de usá-los. Isso permite que um atacante envie dados malformados ou maliciosos que podem causar erros, corrupção de dados, execução de código ou acesso não autorizado.

Ejemplo

Um formulário que aceita um número de idade sem validar se é um inteiro positivo entre 0 e 150. Um atacante envia idade=-5 ou idade='DROP TABLE users;' via SQL, e o código processa isso diretamente no banco sem sanitização, causando dano.

Cómo mitigar

Valide TODA entrada externa: verificar tipo, tamanho, formato e intervalo permitido antes de usar. Use whitelists (aceitar apenas valores conhecidos como seguros) em vez de blacklists, e aplique sanitização ou prepared statements para dados que vão em queries. Testes de entrada fuzzing também ajudam a encontrar gaps.

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-2026-19480HIGHCAI Content Credentials | Improper Input Validation (CWE-20)EPSS 0.7%CVE-2026-27642MEDIUMfree5GC has Improper Input Validation in UDM UEAU ServiceEPSS 0.7%CVE-2021-0208HIGHJunos OS and Junos OS Evolved: In bidirectional LSP configurations, on MPLS egress router RPD may core upon receipt of specific malformed RSVP packet.EPSS 0.7%CVE-2025-61822MEDIUMColdFusion | Improper Input Validation (CWE-20)EPSS 0.7%CVE-2023-5763MEDIUMGlassfish remote code executionEPSS 0.7%CVE-2024-29042MEDIUMTranslate Cache Poisoning VulnerabilityEPSS 0.7%CVE-2024-32669MEDIUMPossible stack overflow due to a string encoding processing errorEPSS 0.6%CVE-2025-47283CRITICALBypassing project secret validation can lead to privilege escalationEPSS 0.6%CVE-2024-20405MEDIUMA vulnerability in the web-based management interface of Cisco Finesse could allow an unauthenticated, remote attacker to conduct a stored XEPSS 0.6%CVE-2025-21375HIGHKernel Streaming WOW Thunk Service Driver Elevation of Privilege VulnerabilityEPSS 0.6%CVE-2024-38201HIGHAzure Stack Hub Elevation of Privilege VulnerabilityEPSS 0.6%CVE-2022-41694MEDIUMBIG-IP and BIG-IQ mcpd vulnerability CVE-2022-41694EPSS 0.6%CVE-2022-41813MEDIUMBIG-IP PEM and AFM TMUI, TMSH and iControl vulnerability CVE-2022-41813EPSS 0.6%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 0.6%CVE-2025-29784HIGHNamelessMC Has Lack of Length Validation for s Parameter in GET RequestsEPSS 0.6%CVE-2023-51438CRITICALA vulnerability has been identified in SIMATIC IPC1047E (All versions with maxView Storage Manager < V4.14.00.26068 on Windows), SIMATIC IPCEPSS 0.6%CVE-2023-0026HIGH2023-06: Out-of-Cycle Security Bulletin: Junos OS and Junos OS Evolved: A BGP session will flap upon receipt of a specific, optional transitive attributeEPSS 0.6%CVE-2025-26858HIGHA buffer overflow vulnerability exists in the Modbus TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted set of netwEPSS 0.6%CVE-2022-2502HIGHA vulnerability exists in the HCI IEC 60870-5-104 function included in certain versions of the RTU500 series product. The vulnerability can EPSS 0.6%