Fallos del tipo CWE-20

5887 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-2021-1305HIGHCisco SD-WAN vManage Authorization Bypass VulnerabilitiesEPSS 1.3%CVE-2022-47192HIGHAdmin password reset via file upload vulnerability in Generex CS141EPSS 1.3%CVE-2018-1051—It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in Resteasy is still possibleEPSS 1.3%CVE-2022-20679MEDIUMCisco IOS XE Software IPSec Denial of Service VulnerabilityEPSS 1.3%CVE-2023-24816MEDIUMset_term_title command injection in ipythonEPSS 1.3%CVE-2019-12706MEDIUMCisco Email Security Appliance Filter Bypass VulnerabilityEPSS 1.3%CVE-2022-24905MEDIUMArgo CD login screen allows message spoofing if SSO is enabledEPSS 1.3%CVE-2022-3752HIGHRockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service AttackEPSS 1.3%CVE-2023-48693HIGHAzure RTOS ThreadX Remote Code Execution VulnerabilityEPSS 1.3%CVE-2020-25626—A flaw was found in Django REST Framework versions before 3.12.0 and before 3.11.2. When using the browseable API viewer, Django REST FramewEPSS 1.3%CVE-2022-24846CRITICALUnchecked JNDI lookups in GeoWebCacheEPSS 1.3%CVE-2022-45060HIGHAn HTTP Request Forgery issue was discovered in Varnish Cache 5.x and 6.x before 6.0.11, 7.x before 7.1.2, and 7.2.x before 7.2.1. An attackEPSS 1.3%CVE-2022-39266CRITICALisolated-vm has vulnerable CachedDataOptions in APIEPSS 1.3%CVE-2026-48277CRITICALColdFusion | Improper Input Validation (CWE-20)EPSS 1.3%CVE-2017-2674MEDIUMJBoss BRMS 6 and BPM Suite 6 before 6.4.3 are vulnerable to a stored XSS via several lists in Business Central. The flaw is due to lack of sEPSS 1.3%CVE-2026-77540CRITICALA malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS EPSS 1.3%CVE-2026-77535CRITICALA malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi NetEPSS 1.3%CVE-2026-77542CRITICALA malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UID EnterEPSS 1.3%CVE-2026-77539CRITICALA malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS EPSS 1.3%CVE-2020-14338—A flaw was found in Wildfly's implementation of Xerces, specifically in the way the XMLSchemaValidator class in the JAXP component of WildflEPSS 1.3%