Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2017-5645

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
Software From Fixed in
apache / log4j 2.0 2.8.2
redhat / enterprise_linux_desktop 7.0 7.0.x
redhat / enterprise_linux 7.4 7.4.x
redhat / enterprise_linux_workstation 7.0 7.0.x
redhat / enterprise_linux 7.0 7.0.x
redhat / enterprise_linux 6.0 6.0.x
redhat / enterprise_linux_server 7.0 7.0.x
redhat / enterprise_linux 6.7 6.7.x
redhat / enterprise_linux 7.3 7.3.x
redhat / enterprise_linux_server_aus 7.4 7.4.x
redhat / enterprise_linux_server_eus 7.4 7.4.x
redhat / enterprise_linux 7.5 7.5.x
redhat / enterprise_linux_server_tus 7.4 7.4.x
redhat / enterprise_linux_server_eus 7.5 7.5.x
redhat / enterprise_linux_server_tus 7.6 7.6.x
redhat / enterprise_linux_server_eus 7.6 7.6.x
redhat / enterprise_linux_server_aus 7.6 7.6.x
redhat / enterprise_linux 7.6 7.6.x
redhat / fuse 1.0 1.0.x
oracle / flexcube_investor_servicing 12.3.0 12.3.0.x
oracle / flexcube_investor_servicing 12.1.0 12.1.0.x
oracle / jd_edwards_enterpriseone_tools 9.2 9.2.x
oracle / retail_service_backbone 14.1 14.1.x
oracle / enterprise_manager_base_platform 12.1.0.5 12.1.0.5.x
oracle / api_gateway 11.1.2.4.0 11.1.2.4.0.x
oracle / flexcube_investor_servicing 12.0.4 12.0.4.x
oracle / weblogic_server 12.1.3.0.0 12.1.3.0.0.x
oracle / fusion_middleware_mapviewer 12.2.1.2 12.2.1.2.x
oracle / jdeveloper 11.1.1.9.0 11.1.1.9.0.x
oracle / retail_service_backbone 15.0 15.0.x
oracle / jdeveloper 12.1.3.0.0 12.1.3.0.0.x
oracle / retail_integration_bus 15.0 15.0.x
oracle / weblogic_server 10.3.6.0.0 10.3.6.0.0.x
oracle / weblogic_server 12.2.1.3.0 12.2.1.3.0.x
oracle / flexcube_investor_servicing 12.4.0 12.4.0.x
oracle / soa_suite 12.1.3.0.0 12.1.3.0.0.x
oracle / soa_suite 12.2.1.3.0 12.2.1.3.0.x
oracle / identity_analytics 11.1.1.5.8 11.1.1.5.8.x
oracle / siebel_ui_framework 18.7 18.7.x
oracle / siebel_ui_framework 18.8 18.8.x
oracle / siebel_ui_framework 18.9 18.9.x
oracle / retail_open_commerce_platform 6.0.1 6.0.1.x
oracle / application_testing_suite 13.3.0.1 13.3.0.1.x
oracle / flexcube_investor_servicing 14.0.0 14.0.0.x
oracle / insurance_rules_palette 10.0 10.0.x
oracle / insurance_rules_palette 10.2 10.2.x
oracle / tape_library_acsls 8.4 8.4.x
oracle / retail_open_commerce_platform 5.3.0 5.3.0.x
oracle / retail_open_commerce_platform 6.0.0 6.0.0.x
oracle / insurance_calculation_engine 10.2.1 10.2.1.x
oracle / insurance_calculation_engine 10.1.1 10.1.1.x
oracle / insurance_rules_palette 10.1 10.1.x
oracle / insurance_rules_palette 11.0 11.0.x
oracle / insurance_rules_palette 11.1 11.1.x
oracle / retail_integration_bus 16.0 16.0.x
oracle / banking_platform 2.6.0 2.6.0.x
oracle / banking_platform 2.6.1 2.6.1.x
oracle / banking_platform 2.6.2 2.6.2.x
oracle / communications_webrtc_session_controller - 7.2
oracle / enterprise_manager_for_peoplesoft 13.1.1.1 13.1.1.1.x
oracle / enterprise_manager_for_peoplesoft 13.2.1.1 13.2.1.1.x
oracle / enterprise_manager_for_oracle_database 12.1.0.8 12.1.0.8.x
oracle / enterprise_manager_for_oracle_database 13.2.2 13.2.2.x
oracle / enterprise_manager_for_mysql_database - 13.2.2.0.0.x
oracle / enterprise_manager_for_fusion_middleware 12.1.0.5 12.1.0.5.x
oracle / enterprise_manager_for_fusion_middleware 13.2.0.0 13.2.0.0.x
oracle / enterprise_manager_base_platform 13.2.0.0 13.2.0.0.x
oracle / communications_pricing_design_center 11.1 11.1.x
oracle / communications_pricing_design_center 12.0 12.0.x
oracle / jdeveloper 12.2.1.3.0 12.2.1.3.0.x
oracle / communications_converged_application_server_-_service_controller 6.1 6.1.x
oracle / communications_online_mediation_controller 6.1 6.1.x
oracle / communications_service_broker 6.0 6.0.x
oracle / goldengate_application_adapters 12.3.2.1.1 12.3.2.1.1.x
oracle / soa_suite 12.2.2.0.0 12.2.2.0.0.x
oracle / communications_messaging_server - 8.0.2
oracle / configuration_manager 12.1.2.0.2 12.1.2.0.2.x
oracle / configuration_manager 12.1.2.0.5 12.1.2.0.5.x
oracle / bi_publisher 12.2.1.4.0 12.2.1.4.0.x
oracle / bi_publisher 11.1.1.7.0 11.1.1.7.0.x
oracle / bi_publisher 11.1.1.9.0 11.1.1.9.0.x
oracle / bi_publisher 12.2.1.3.0 12.2.1.3.0.x
oracle / identity_management_suite 11.1.2.3.0 11.1.2.3.0.x
oracle / identity_management_suite 12.2.1.3.0 12.2.1.3.0.x
oracle / retail_extract_transform_and_load 13.0 13.0.x
oracle / retail_extract_transform_and_load 13.1 13.1.x
oracle / retail_extract_transform_and_load 13.2 13.2.x
oracle / utilities_work_and_asset_management 1.9.1.2.12 1.9.1.2.12.x
oracle / autovue_vuelink_integration 21.0.1 21.0.1.x
oracle / autovue_vuelink_integration 21.0.0 21.0.0.x
oracle / retail_predictive_application_server 15.0.3 15.0.3.x
oracle / retail_integration_bus 14.1.0 14.1.0.x
oracle / retail_integration_bus 14.0.0 14.0.0.x
oracle / retail_clearance_optimization_engine 14.0.5 14.0.5.x
oracle / policy_automation_for_mobile_devices 10.4.7 10.4.7.x
oracle / policy_automation_for_mobile_devices 12.1.0 12.1.0.x
oracle / policy_automation_for_mobile_devices 12.1.1 12.1.1.x
oracle / policy_automation_for_mobile_devices 12.2.0 12.2.0.x
oracle / policy_automation_for_mobile_devices 12.2.1 12.2.1.x
oracle / policy_automation_for_mobile_devices 12.2.2 12.2.2.x
oracle / policy_automation_for_mobile_devices 12.2.3 12.2.3.x
oracle / policy_automation_for_mobile_devices 12.2.4 12.2.4.x
oracle / policy_automation_for_mobile_devices 12.2.5 12.2.5.x
oracle / policy_automation_for_mobile_devices 12.2.6 12.2.6.x
oracle / policy_automation_for_mobile_devices 12.2.7 12.2.7.x
oracle / policy_automation_for_mobile_devices 12.2.8 12.2.8.x
oracle / policy_automation_for_mobile_devices 12.2.9 12.2.9.x
oracle / policy_automation_for_mobile_devices 12.2.10 12.2.10.x
oracle / policy_automation_connector_for_siebel 10.4.6 10.4.6.x
oracle / policy_automation 10.4.7 10.4.7.x
oracle / policy_automation 12.1.0 12.1.0.x
oracle / policy_automation 12.1.1 12.1.1.x
oracle / policy_automation 12.2.0 12.2.0.x
oracle / policy_automation 12.2.1 12.2.1.x
oracle / policy_automation 12.2.2 12.2.2.x
oracle / policy_automation 12.2.3 12.2.3.x
oracle / policy_automation 12.2.4 12.2.4.x
oracle / policy_automation 12.2.5 12.2.5.x
oracle / policy_automation 12.2.6 12.2.6.x
oracle / policy_automation 12.2.7 12.2.7.x
oracle / policy_automation 12.2.8 12.2.8.x
oracle / policy_automation 12.2.9 12.2.9.x
oracle / policy_automation 12.2.10 12.2.10.x
oracle / peoplesoft_enterprise_fin_install 9.2 9.2.x
oracle / mysql_enterprise_monitor 8.0.0.0.0 8.0.0.8131.x
oracle / mysql_enterprise_monitor 4.0.0.0 4.0.4.5235.x
oracle / mysql_enterprise_monitor 3.4.0.0 3.4.7.4297.x
oracle / insurance_policy_administration 10.0 10.0.x
oracle / insurance_policy_administration 10.1 10.1.x
oracle / insurance_policy_administration 10.2 10.2.x
oracle / insurance_policy_administration 11.0 11.0.x
oracle / fusion_middleware_mapviewer 12.2.1.3 12.2.1.3.x
oracle / enterprise_data_quality 12.2.1.3.0 12.2.1.3.0.x
oracle / financial_services_profitability_management 8.0.0.0.0 8.0.7.0.0.x
oracle / financial_services_profitability_management 6.1.1 6.1.1.x
oracle / financial_services_loan_loss_forecasting_and_provisioning 8.0.4 8.0.4.x
oracle / financial_services_loan_loss_forecasting_and_provisioning 8.0.5 8.0.5.x
oracle / financial_services_hedge_management_and_ifrs_valuations 8.0.4 8.0.4.x
oracle / financial_services_hedge_management_and_ifrs_valuations 8.0.5 8.0.5.x
oracle / financial_services_behavior_detection_platform 8.0.0.0.0 8.0.4.0.0.x
oracle / financial_services_behavior_detection_platform 6.1.1 6.1.1.x
oracle / financial_services_analytical_applications_infrastructure 8.0.0.0.0 8.0.7.0.0.x
oracle / financial_services_analytical_applications_infrastructure 7.3.3.0.0 7.3.3.0.2.x
oracle / endeca_information_discovery_studio 3.2.0 3.2.0.x
oracle / weblogic_server 12.2.1.4.0 12.2.1.4.0.x
oracle / weblogic_server 14.1.1.0.0 14.1.1.0.0.x
oracle / rapid_planning 12.1 12.1.x
oracle / rapid_planning 12.2 12.2.x
oracle / instantis_enterprisetrack 17.1 17.3.x
oracle / utilities_advanced_spatial_and_operational_analytics 2.7.0.1 2.7.0.1.x
oracle / primavera_gateway 16.2.0 16.2.11.x
oracle / identity_manager_connector 9.0 9.0.x
oracle / financial_services_lending_and_leasing 14.1.0 14.8.0.x
oracle / financial_services_lending_and_leasing 12.5.0 12.5.0.x
oracle / communications_network_integrity 7.3.2 7.3.6.x
oracle / primavera_gateway 17.12.0 17.12.7.x
oracle / retail_service_backbone 16.0 16.0.x
oracle / retail_extract_transform_and_load 19.0 19.0.x
oracle / communications_instant_messaging_server 10.0.1.3.0 10.0.1.3.0.x
oracle / financial_services_regulatory_reporting_with_agilereporter 8.0.9.2.0 8.0.9.2.0.x
oracle / retail_advanced_inventory_planning 15.0 15.0.x
oracle / timesten_in-memory_database 11.2.2.8.49 11.2.2.8.49.x
oracle / communications_interactive_session_recorder 6.0 6.2.x
oracle / jd_edwards_enterpriseone_tools 4.0.1.0 4.0.1.0.x
oracle / in-memory_performance-driven_planning 12.2 12.2.x
oracle / in-memory_performance-driven_planning 12.1 12.1.x
oracle / retail_advanced_inventory_planning 14.0 14.0.x
oracle / goldengate 12.3.2.1.1 12.3.2.1.1.x
Maven icon org.apache.logging.log4j / log4j 2.0 2.8.2
Maven icon org.apache.logging.log4j / log4j-core 2.0 2.8.2

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.