{"cveID":"CVE-2016-4437","vendorProject":"Apache","product":"Shiro","vulnerabilityName":"Apache Shiro Code Execution Vulnerability","dateAdded":"2021-11-03","shortDescription":"Apache Shiro contains a vulnerability which may allow remote attackers to execute code or bypass intended access restrictions via an unspecified request parameter when a cipher key has not been configured for the \"remember me\" feature.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-4437","cwes":["CWE-284"],"year":2016,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2016-4437","technique":"T1190","technique_name_at_mapping":"Exploit Public-Facing Application","mapping_type":"exploitation_technique","capability_group":"code_execution","comments":"CVE-2016-4437 is a code execution vulnerability in Apache Shiro that allows remote attackers to execute code or bypass access restrictions via an unspecified request parameter when a cipher key has not been configured for the \"remember me\" feature.","references":["https://s4e.io/tools/apache-shiro-remote-code-execution-rce-cve-2016-4437","https://attackerkb.com/topics/FkiFlo1T9T/cve-2016-4437"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2016-4437","technique":"T1059","technique_name_at_mapping":"Command and Scripting Interpreter","mapping_type":"primary_impact","capability_group":"code_execution","comments":"CVE-2016-4437 is a code execution vulnerability in Apache Shiro that allows remote attackers to execute code or bypass access restrictions via an unspecified request parameter when a cipher key has not been configured for the \"remember me\" feature.","references":["https://s4e.io/tools/apache-shiro-remote-code-execution-rce-cve-2016-4437","https://attackerkb.com/topics/FkiFlo1T9T/cve-2016-4437"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1059","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Command and Scripting Interpreter","name_at_mapping":"Command and Scripting Interpreter","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":95,"has_detection_strategy":true},{"id":"T1190","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Exploit Public-Facing Application","name_at_mapping":"Exploit Public-Facing Application","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":149,"has_detection_strategy":true}],"mapping_types":["exploitation_technique","primary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-23 05:47 UTC","_attack_version":"19.2"}