Falhas do tipo CWE-693

961 resultados

Falha em Mecanismo de Proteção

CWE-693 descreve quando um mecanismo de segurança implementado no software não funciona como deveria, seja por design deficiente, implementação incorreta ou bypass não intencional. O resultado é que uma ou mais camadas de defesa falham, deixando o sistema exposto a ataques que deveriam ter sido bloqueados.

Exemplo

Um sistema implementa validação de entrada apenas no cliente (JavaScript), mas deixa a API backend sem validação equivalente. Um atacante contorna a proteção do cliente e envia dados maliciosos diretamente para o servidor, que as aceita sem filtro. O mecanismo de proteção falhou porque estava incompleto.

Como mitigar

Implementar controles de segurança em profundidade (nunca confiar apenas em uma camada), validar e sanitizar dados em todos os pontos de entrada, testar regularmente se as proteções estão funcionando conforme esperado, e documentar claramente qual é a intenção de cada controle de segurança.

CVE-2025-26431HIGHIn setupAccessibilityServices of AccessibilityFragment.java, there is a possible way to hide an enabled accessibility service due to a logicEPSS 0.1%CVE-2026-45521LOWIn openFile of AppFuseBridge.java, there is a possible information disclosure due to a missing permission check. This could lead to local inEPSS 0.1%CVE-2025-36898HIGHThere is a possible escalation of privilege due to a logic error in the code. This could lead to local escalation of privilege with no additEPSS 0.1%CVE-2025-26439HIGHIn getComponentName of AccessibilitySettingsUtils.java, there is a possible way to for a malicious Talkback service to be enabled instead ofEPSS 0.1%CVE-2026-28584MEDIUMIn createSessionInternal of PackageInstallerService.java, there is a possible way to permanently DoS the device due to a logic error in the EPSS 0.1%CVE-2025-36905HIGHIn gxp_mapping_create of gxp_mapping.c, there is a possible privilege escalation due to a logic error in the code. This could lead to local EPSS 0.1%CVE-2026-58956HIGHIn modpowF4 of avb_rsa.c, there is a possible signature verification bypass due to a logic error in the code. This could lead to local escalEPSS 0.1%CVE-2026-58979HIGHIn canPresent of PresentationController.java, there is a possible permission bypass due to a logic error in the code. This could lead to locEPSS 0.1%CVE-2025-48554MEDIUMIn handlePackagesChanged of DevicePolicyManagerService.java, there is a possible persistent denial of service due to a logic error in the coEPSS 0.1%CVE-2025-48652HIGHIn performPreInstallChecks of InstallRepository.kt, there is a possible way to bypass MDM policy due to a logic error in the code. This coulEPSS 0.1%CVE-2026-0045HIGHIn bta_jv_rfcomm_connect of bta_jv_act.cc, there is a possible bypass of bonding for a secure connection due to a logic error in the code. TEPSS 0.1%CVE-2026-0087HIGHIn approvalLevelForDomainInternal of DomainVerificationService.java, there is a possible way to hijack an arbitrary app link due to a logic EPSS 0.1%CVE-2026-0077HIGHIn resumeConfigurationDispatch of ActivityRecord.java, there is a possible background application launch (bal) due to a logic error in the cEPSS 0.1%CVE-2025-22431MEDIUMIn multiple locations, there is a possible method for a malicious app to prevent dialing emergency services under limited circumstances due EPSS 0.1%CVE-2026-58961HIGHIn moveTaskToFrontLocked of ActivityTaskManagerService.java, there is a possible background activity launch due to a logic error in the codeEPSS 0.1%CVE-2025-48649HIGHIn multiple locations, there is a possible way to reset user-selected permissions selections due to a permissions bypass. This could lead toEPSS 0.1%CVE-2026-49912MEDIUMIn multiple functions of MediaCarouselController.kt, there is a possible way for media to show up after disablement due to a logic error in EPSS 0.1%CVE-2026-28632MEDIUMIn multiple locations, there is a possible way to share files across profiles due to a logic error in the code. This could lead to local infEPSS 0.1%CVE-2026-59031MEDIUMIn InputDispatcher::flushSensor of InputDispatcher.cpp, there is a possible denial of service due to a logic error in the code. This could lEPSS 0.1%CVE-2026-18668MEDIUMProtection Mechanism Failure vulnerability affects IBM Sterling File GatewayEPSS —