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Δ / VULNERABILITY RECORD

CVE-2020-17521.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.5CVSS 3.1 · nvd@nist.gov
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSModifiedModified Oct 08, 2026

Disclosure summary

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.

Source-reported weakness categories

NVD-CWE-Other

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2020-17521

Open original source · Updated Oct 08, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
apachegroovy* {"versionStartIncluding":"3.0.0","versionEndIncluding":"3.0.6"}
apachegroovy4.0.0
netappsnapcenter-
oracleagile_engineering_data_management6.2.1.0
oracleagile_plm_mcad_connector3.4
oracleagile_plm_mcad_connector3.6
oracleagile_product_lifecycle_management9.3.3
oracleagile_product_lifecycle_management9.3.6
oraclebusiness_process_management_suite12.2.1.3.0
oraclebusiness_process_management_suite12.2.1.4.0
oraclecommunications_brm_-_elastic_charging_engine11.3.0.9.0
oraclecommunications_brm_-_elastic_charging_engine12.0.0.3
oraclecommunications_diameter_signaling_router8.4.0.0
oraclecommunications_evolved_communications_application_server7.1
oraclecommunications_services_gatekeeper6.0
oraclecommunications_services_gatekeeper6.1
oraclecommunications_services_gatekeeper7.0
oraclehealthcare_data_repository7.0.2
oraclehospitality_opera_55.6
oracleilearning6.2
oracleilearning6.3
oracleinsurance_policy_administration* {"versionStartIncluding":"11.0","versionEndIncluding":"11.3.1"}
oraclejd_edwards_enterpriseone_orchestrator9.2.6.0
oracleprimavera_gateway* {"versionStartIncluding":"17.12.0","versionEndIncluding":"17.12.10"}
oracleprimavera_unifier* {"versionStartIncluding":"17.7","versionEndIncluding":"17.12"}
oracleprimavera_unifier16.1
oracleprimavera_unifier16.2
oracleprimavera_unifier18.8
oracleprimavera_unifier19.12
oracleprimavera_unifier20.12
oracleretail_bulk_data_integration15.0.3.0
oracleretail_bulk_data_integration16.0.3.0
oracleretail_merchandising_system16.0.3
oracleretail_store_inventory_management14.1.3.10
oracleretail_store_inventory_management15.0.3.5
oracleretail_store_inventory_management16.0.3.5
apacheatlas2.1.0

Original records & references

PUBLISHED 2020-12-07T15:15:12-05:00
MODIFIED 2026-10-08T18:16:57-04:00
INGESTED 2026-10-10T20:50:19-04:00