{"cve":"CVE-2020-17521","nvd":{"published":"2020-12-07T20:15:12.633","modified":"2026-10-08T22:16:57.297","status":"Modified","description":"Apache Groovy provides extension methods to aid with creating temporary directories. Prior to this fix, Groovy's implementation of those extension methods was using a now superseded Java JDK method call that is potentially not secure on some operating systems in some contexts. Users not using the extension methods mentioned in the advisory are not affected, but may wish to read the advisory for further details. Versions Affected: 2.0 to 2.4.20, 2.5.0 to 2.5.13, 3.0.0 to 3.0.6, and 4.0.0-alpha-1. Fixed in versions 2.4.21, 2.5.14, 3.0.7, 4.0.0-alpha-2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":[],"references":["https://groovy-lang.org/security.html#CVE-2020-17521","https://lists.apache.org/thread.html/r4b2f13c302eec98838ff7475253091fb9b75bc1038016ba00ebf6c08%40%3Cdev.atlas.apache.org%3E","https://lists.apache.org/thread.html/ra9dab34bf8625511f23692ad0fcee2725f782e9aad6c5cdff6cf4465%40%3Cnotifications.groovy.apache.org%3E","https://lists.apache.org/thread.html/rea63a4666ba245d2892471307772a2d8ce0f0741f341d6576625c1b3%40%3Cdev.atlas.apache.org%3E","https://security.netapp.com/advisory/ntap-20201218-0006/"],"products":["apache:atlas","apache:groovy","netapp:snapcenter","oracle:agile_engineering_data_management","oracle:agile_plm_mcad_connector","oracle:agile_product_lifecycle_management","oracle:business_process_management_suite","oracle:communications_brm_-_elastic_charging_engine","oracle:communications_diameter_signaling_router","oracle:communications_evolved_communications_application_server","oracle:communications_services_gatekeeper","oracle:healthcare_data_repository","oracle:hospitality_opera_5","oracle:ilearning","oracle:insurance_policy_administration","oracle:jd_edwards_enterpriseone_orchestrator","oracle:primavera_gateway","oracle:primavera_unifier","oracle:retail_bulk_data_integration","oracle:retail_merchandising_system","oracle:retail_store_inventory_management"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-17521","score":0.01027,"percentile":0.63398,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-rcjj-h6gh-jf3r","url":"https://osv.dev/vulnerability/GHSA-rcjj-h6gh-jf3r","summary":"Information Disclosure in Apache Groovy","modified":"2024-10-17T16:22:52.000206Z","packages":[{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy","purl":"pkg:maven/org.codehaus.groovy/groovy","ranges":[">=2.0.0 <2.4.21"],"fixed":["2.4.21"]},{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy","purl":"pkg:maven/org.codehaus.groovy/groovy","ranges":[">=2.5.0 <2.5.14"],"fixed":["2.5.14"]},{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy","purl":"pkg:maven/org.codehaus.groovy/groovy","ranges":[">=3.0.0 <3.0.7"],"fixed":["3.0.7"]},{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy-all","purl":"pkg:maven/org.codehaus.groovy/groovy-all","ranges":[">=2.0.0 <2.4.21"],"fixed":["2.4.21"]},{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy-all","purl":"pkg:maven/org.codehaus.groovy/groovy-all","ranges":[">=2.5.0 <2.5.14"],"fixed":["2.5.14"]},{"ecosystem":"Maven","name":"org.codehaus.groovy:groovy-all","purl":"pkg:maven/org.codehaus.groovy/groovy-all","ranges":[">=3.0.0 <3.0.7"],"fixed":["3.0.7"]}]}],"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."]}