{"cve":"CVE-2021-29425","nvd":{"published":"2021-04-13T07:15:12.327","modified":"2026-10-07T19:17:25.603","status":"Modified","description":"In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like \"//../foo\", or \"\\\\..\\foo\", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus \"limited\" path traversal), if the calling code would use the result to construct a path value.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8},"cwes":["CWE-22","CWE-20"],"references":["https://issues.apache.org/jira/browse/IO-556","https://lists.apache.org/thread.html/r01b4a1fcdf3311c936ce33d75a9398b6c255f00c1a2f312ac21effe1%40%3Cnotifications.zookeeper.apache.org%3E","https://lists.apache.org/thread.html/r0bfa8f7921abdfae788b1f076a12f73a92c93cc0a6e1083bce0027c5%40%3Cnotifications.zookeeper.apache.org%3E","https://lists.apache.org/thread.html/r0d73e2071d1f1afe1a15da14c5b6feb2cf17e3871168d5a3c8451436%40%3Ccommits.pulsar.apache.org%3E","https://lists.apache.org/thread.html/r1c2f4683c35696cf6f863e3c107e37ec41305b1930dd40c17260de71%40%3Ccommits.pulsar.apache.org%3E"],"products":["apache:commons_io","debian:debian_linux","netapp:active_iq_unified_manager","oracle:access_manager","oracle:agile_engineering_data_management","oracle:agile_product_lifecycle_management","oracle:application_performance_management","oracle:application_testing_suite","oracle:banking_apis","oracle:banking_digital_experience","oracle:banking_enterprise_default_management","oracle:banking_enterprise_default_managment","oracle:banking_party_management","oracle:banking_platform","oracle:blockchain_platform","oracle:commerce_guided_search","oracle:communications_application_session_controller","oracle:communications_billing_and_revenue_management_elastic_charging_engine","oracle:communications_cloud_native_core_network_repository_function","oracle:communications_cloud_native_core_policy","oracle:communications_cloud_native_core_unified_data_repository","oracle:communications_contacts_server","oracle:communications_converged_application_server_-_service_controller","oracle:communications_convergence","oracle:communications_design_studio","oracle:communications_diameter_intelligence_hub","oracle:communications_interactive_session_recorder","oracle:communications_offline_mediation_controller","oracle:communications_order_and_service_management","oracle:communications_policy_management","oracle:communications_pricing_design_center","oracle:communications_service_broker","oracle:enterprise_communications_broker","oracle:enterprise_session_border_controller","oracle:financial_services_analytical_applications_infrastructure","oracle:financial_services_model_management_and_governance","oracle:flexcube_core_banking","oracle:fusion_middleware_mapviewer","oracle:health_sciences_data_management_workbench","oracle:health_sciences_information_manager","oracle:healthcare_data_repository","oracle:helidon","oracle:insurance_policy_administration","oracle:insurance_rules_palette","oracle:oss_support_tools","oracle:primavera_unifier","oracle:real_user_experience_insight","oracle:rest_data_services","oracle:retail_assortment_planning","oracle:retail_integration_bus"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-29425","score":0.10549,"percentile":0.95739,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-gwrp-pvrq-jmwv","url":"https://osv.dev/vulnerability/GHSA-gwrp-pvrq-jmwv","summary":"Path Traversal and Improper Input Validation in Apache Commons IO","modified":"2024-02-14T20:25:59Z","packages":[{"ecosystem":"Maven","name":"commons-io:commons-io","purl":"pkg:maven/commons-io/commons-io","ranges":["<2.7"],"fixed":["2.7"]},{"ecosystem":"Maven","name":"com.cosium.vet:vet","purl":"pkg:maven/com.cosium.vet/vet","ranges":[">=1.0 <=3.22"],"fixed":[]},{"ecosystem":"Maven","name":"com.diamondq.common:common-thirdparty.jcasbin","purl":"pkg:maven/com.diamondq.common/common-thirdparty.jcasbin","ranges":["1.4.0"],"fixed":[]},{"ecosystem":"Maven","name":"com.liferay:com.liferay.sass.compiler.jsass","purl":"pkg:maven/com.liferay/com.liferay.sass.compiler.jsass","ranges":["1.0.1"],"fixed":[]},{"ecosystem":"Maven","name":"com.virjar:ratel-api","purl":"pkg:maven/com.virjar/ratel-api","ranges":[">=1.0.0 <=1.3.6"],"fixed":[]},{"ecosystem":"Maven","name":"net.hasor:cobble-lang","purl":"pkg:maven/net.hasor/cobble-lang","ranges":[">=4.4.1 <=4.6.2"],"fixed":[]},{"ecosystem":"Maven","name":"org.apache.commons:commons-io","purl":"pkg:maven/org.apache.commons/commons-io","ranges":["1.3.2"],"fixed":[]},{"ecosystem":"Maven","name":"org.apache.servicemix.bundles:org.apache.servicemix.bundles.commons-io","purl":"pkg:maven/org.apache.servicemix.bundles/org.apache.servicemix.bundles.commons-io","ranges":[">=1.4 <=1.5"],"fixed":[]},{"ecosystem":"Maven","name":"org.checkerframework.annotatedlib:commons-io","purl":"pkg:maven/org.checkerframework.annotatedlib/commons-io","ranges":[">=2.6 <2.7"],"fixed":["2.7"]},{"ecosystem":"Maven","name":"org.smartboot.servlet:servlet-core","purl":"pkg:maven/org.smartboot.servlet/servlet-core","ranges":[">=0.1.9 <=0.6"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}