Falhas do tipo CWE-22

5.839 resultados

Travessia de diretório (Path Traversal)

A aplicação constrói caminhos de arquivo usando entrada do usuário sem validar adequadamente, permitindo que caracteres especiais como '../' façam o caminho "sair" do diretório permitido e acessar arquivos fora da zona restrita. Isso expõe dados sensíveis ou permite manipulação de arquivos críticos do sistema.

Exemplo

Um site permite download de documentos via URL como /download?file=relatorio.pdf, mas não valida o parâmetro. Um atacante usa /download?file=../../etc/passwd para ler o arquivo de senhas do servidor, ou /download?file=../../configuracao.db para acessar a base de dados da aplicação.

Como mitigar

Valide e normalize todos os caminhos de entrada (use funções nativas como realpath ou canonicalize), implemente uma whitelist de arquivos permitidos em vez de bloquear padrões perigosos, e configure permissões de arquivo restritivas no SO. Melhor ainda: nunca construa caminhos a partir de entrada do usuário — use índices ou IDs mapeados internamente.

CVE-2023-42819HIGHPath traversal in JumpserverEPSS 1.9%CVE-2021-22748—A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists that could allow a remote codeEPSS 1.9%CVE-2021-47749HIGHYouPHPTube <= 7.8 - Directory TraversalEPSS 1.9%CVE-2024-37728HIGHArbitrary File Read vulnerability in Xi'an Daxi Information Technology Co., Ltd OfficeWeb365 v.7.18.23.0 and v8.6.1.0 allows a remote attackEPSS 1.9%CVE-2026-9776HIGHATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure VulnerabilityEPSS 1.9%CVE-2021-37712HIGHArbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic linksEPSS 1.8%CVE-2025-63414CRITICALA Path Traversal vulnerability in the Allsky WebUI version v2024.12.06_06 allows an unauthenticated remote attacker to achieve arbitrary comEPSS 1.8%CVE-2023-51646HIGHAllegra uploadSimpleFile Directory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2023-51640HIGHAllegra extarctZippedFile Directory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2023-51645HIGHAllegra unzipFile Directory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2023-33227HIGHDirectory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2023-33226HIGHDirectory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2021-22857HIGHChanGate EnterPrise Co., Ltd property management system - Directory TraversalEPSS 1.8%CVE-2017-15893—Directory traversal vulnerability in the SYNO.FileStation.Extract in Synology File Station before 1.1.1-0099 allows remote authenticated useEPSS 1.8%CVE-2018-5445—A Path Traversal issue was discovered in Advantech WebAccess/SCADA versions prior to V8.2_20170817. An attacker has read access to files witEPSS 1.8%CVE-2024-56331MEDIUMLocal File Inclusion (LFI) via Improper URL Handling in uptime-kuma's `Real-Browser` monitorEPSS 1.8%CVE-2017-16029—hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3EPSS 1.8%CVE-2024-33350CRITICALDirectory Traversal vulnerability in TaoCMS v.3.0.2 allows a remote attacker to execute arbitrary code and obtain sensitive information via EPSS 1.8%CVE-2022-48482HIGH3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /ElectrEPSS 1.8%CVE-2021-24638—OMGF < 4.5.4 - Unauthenticated Path Traversal in REST APIEPSS 1.8%