Weaknesses of type CWE-287

2,463 results

Falha na autenticação ou verificação insuficiente de identidade

Quando um usuário, sistema ou aplicação afirma ser alguém (ou algo), o software não valida adequadamente essa identidade antes de conceder acesso ou executar ações sensíveis. O risco é claro: um atacante se passa por outra pessoa e obtém privilégios ou dados que não deveria ter.

Example

Um app que aceita um token JWT sem verificar a assinatura, confiando apenas no nome de usuário no payload. Um atacante modifica o token para elevar seu nível de acesso e o sistema acredita, pois nunca validou a autenticidade real do token.

How to mitigate

Implemente autenticação robusta: valide credenciais em backend seguro, use protocolos padrão (OAuth 2.0, SAML, Kerberos), verifique integridade de tokens (assinatura criptográfica), implemente MFA para operações críticas e nunca confie em dados do cliente sem validação no servidor.

CVE-2026-78560MEDIUMImproper Authentication Validation in Okta Access Gateway Pass-Through Authentication SourceEPSS 0.2%CVE-2022-34380CRITICALDell CloudLink 7.1.3 and all earlier versions contain an Authentication Bypass Using an Alternate Path or Channel Vulnerability. A high privEPSS 0.2%CVE-2026-53514HIGHBetter Auth: Unauthorized invitation acceptance via unverified email match in organization pluginEPSS 0.2%CVE-2025-46590MEDIUMBypass vulnerability in the network search instruction authentication module Impact: Successful exploitation of this vulnerability can bypasEPSS 0.2%CVE-2025-68931HIGHJervis has AES CBC Mode Without AuthenticationEPSS 0.2%CVE-2023-0209HIGHNVIDIA DGX-1 SBIOS contains a vulnerability in the Uncore PEI module, where authentication of the code executed by SSA is missing, which mayEPSS 0.2%CVE-2026-12586HIGHLenxel WP <= 1.0.31 - Unauthenticated Account Takeover via Arbitrary Password ResetEPSS 0.2%CVE-2023-32661MEDIUMImproper authentication in some Intel(R) NUC Kits NUC7PJYH and NUC7CJYH Realtek* SD Card Reader Driver installation software before version EPSS 0.2%CVE-2022-47974MEDIUMThe Bluetooth AVRCP module has a vulnerability that can lead to DoS attacks.Successful exploitation of this vulnerability may cause the BlueEPSS 0.2%CVE-2022-48314MEDIUMThe Bluetooth module has a vulnerability of bypassing the user confirmation in the pairing process. Successful exploitation of this vulnerabEPSS 0.2%CVE-2023-2638MEDIUMRockwell Automation FactoryTalk System Services Vulnerable to a Denial-of-Service AttackEPSS 0.2%CVE-2021-25506MEDIUMNon-existent provider in Samsung Health prior to 6.19.1.0001 allows attacker to access it via malicious content provider or lead to denial oEPSS 0.2%CVE-2022-21794HIGHImproper authentication in BIOS firmware for some Intel(R) NUC Boards, Intel(R) NUC Business, Intel(R) NUC Enthusiast, Intel(R) NUC Kits befEPSS 0.2%CVE-2026-47838MEDIUMUnauthorized User Impersonation when Using X.509 Client CertificatesEPSS 0.2%CVE-2026-49852HIGHjoserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)EPSS 0.2%CVE-2025-37731MEDIUMElasticsearch Improper AuthenticationEPSS 0.2%CVE-2023-31015MEDIUMNVIDIA DGX H100 BMC contains a vulnerability in the REST service where a host user may cause as improper authentication issue. A successful EPSS 0.2%CVE-2022-43451HIGHMultiple path traversal in appspawn and nwebspawn services.EPSS 0.2%CVE-2023-3028HIGHImproper backend communication allows access and manipulation of the telemetry dataEPSS 0.2%CVE-2025-0217HIGHPrivileged Remote Access Authentication BypassEPSS 0.2%