Fallos del tipo CWE-287

2773 resultados

Autenticação inadequada ou ausente

A aplicação não valida ou valida de forma insuficiente a identidade de quem tenta acessá-la. Quando um usuário diz ser quem é, o sistema acredita sem verificar corretamente, permitindo que atacantes se façam passar por outros usuários ou contas legítimas.

Ejemplo

Um sistema que aceita login apenas com nome de usuário, sem senha. Ou uma API que confia no header 'User-ID' enviado pelo cliente sem validar se aquele usuário realmente existe ou tem sessão ativa. Um atacante simplesmente altera o header e acessa dados de outra conta.

Cómo mitigar

Implemente autenticação robusta: exija múltiplos fatores (senha forte + MFA), valide credenciais contra base de dados segura, use sessões com token assinado e com expiração, nunca confie em dados enviados pelo cliente como prova de identidade. Revise regularmente logs de acesso para detectar abusos.

CVE-2026-17203HIGHIBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [, ].EPSS 0.6%CVE-2026-88007CRITICALTraefik HTTP/3 Backend NTLM Connection ReuseEPSS 0.6%CVE-2022-4041MEDIUMPrivilege Escalation Vulnerability in Hitachi Storage Plug-in for VMware vCenterEPSS 0.6%CVE-2026-87016HIGHOpen WebUI: Sign-in as another user via wildcard characters in the OAuth subject claim on SQLiteEPSS 0.6%CVE-2026-16857HIGHVulnerabilities in IBM AIX and PowerVM VIOSEPSS 0.6%CVE-2024-24771HIGHOpen Forms potential multi-factor authentication bypassEPSS 0.6%CVE-2026-53761HIGHFrappe CRM: Authentication Bypass via Logged Invitation Keys in crm/apiEPSS 0.6%CVE-2024-27834MEDIUMThe issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, maEPSS 0.6%CVE-2026-2248CRITICALUnauthenticated Remote Root Shell Access via Web Console in METIS WICEPSS 0.6%CVE-2025-60772CRITICALImproper authentication in the web-based management interface of NETLINK HG322G V1.0.00-231017, allows a remote unauthenticated attacker to EPSS 0.6%CVE-2026-2249CRITICALUnauthenticated Remote Command Execution via Web Console in METIS DFSEPSS 0.6%CVE-2024-0002CRITICALA condition exists in FlashArray Purity whereby an attacker can employ a privileged account allowing remote access to the array.EPSS 0.6%CVE-2026-10697HIGHMFA Bypass in MOVEit TransferEPSS 0.6%CVE-2024-2450HIGHMattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownEPSS 0.6%CVE-2024-10327HIGHA vulnerability in Okta Verify for iOS versions 9.25.1 (beta) and 9.27.0 (including beta) allows push notification responses through the iOSEPSS 0.6%CVE-2026-110669MEDIUMcemtan sar2html sar2html.py deleteAll missing authenticationEPSS 0.6%CVE-2024-37893MEDIUMMFA bypass in oauth flow in Firefly IIIEPSS 0.6%CVE-2019-1758MEDIUMCisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass VulnerabilityEPSS 0.6%CVE-2024-41197CRITICALAn issue in Ocuco Innovation - INVCLIENT.EXE v2.10.24.5 allows attackers to bypass authentication and escalate privileges to Administrator vEPSS 0.6%CVE-2024-41198CRITICALAn issue in Ocuco Innovation - REPORTS.EXE v2.10.24.13 allows attackers to bypass authentication and escalate privileges to Administrator viEPSS 0.6%