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CVE-2020-13956.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 5.3CVSS 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 HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.

Source-reported weakness categories

NVD-CWE-noinfo, CWE-20

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-2020-13956

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
apachehttpclient* {"versionStartIncluding":"5.0.0","versionEndExcluding":"5.0.3"}
quarkusquarkus* {"versionEndExcluding":"1.7.6"}
oracledata_integrator12.2.1.3.0
oracledata_integrator12.2.1.4.0
oraclejd_edwards_enterpriseone_orchestrator* {"versionEndExcluding":"9.2.6.0"}
oraclejd_edwards_enterpriseone_tools* {"versionEndExcluding":"9.2.6.0"}
oraclenosql_database* {"versionEndExcluding":"20.3"}
oraclepeoplesoft_enterprise_peopletools8.57
oraclepeoplesoft_enterprise_peopletools8.58
oraclepeoplesoft_enterprise_pt_peopletools8.57
oraclepeoplesoft_enterprise_pt_peopletools8.58
oraclepeoplesoft_enterprise_pt_peopletools8.59
oracleprimavera_unifier* {"versionStartIncluding":"17.7","versionEndIncluding":"17.12"}
oracleprimavera_unifier16.1
oracleprimavera_unifier16.2
oracleprimavera_unifier18.8
oracleprimavera_unifier19.12
oracleprimavera_unifier20.12
oracleretail_customer_management_and_segmentation_foundation* {"versionStartIncluding":"16.0","versionEndIncluding":"19.0"}
oraclespatial_studio* {"versionEndExcluding":"20.1.1"}
oraclesql_developer* {"versionEndExcluding":"21.99"}
netappactive_iq_unified_manager-
netappactive_iq_unified_manager-
netappactive_iq_unified_manager-
netappsnapcenter-
oraclecommerce_guided_search11.3.2
oraclecommunications_cloud_native_core_service_communication_proxy1.14.0
oracleweblogic_server12.2.1.4.0
oracleweblogic_server14.1.1.0.0

Original records & references

PUBLISHED 2020-12-02T12:15:14-05:00
MODIFIED 2026-10-08T15:16:54-04:00
INGESTED 2026-10-10T20:50:19-04:00