CVE-2021-39239 - CVE House
Back to Database
Status published High CVE-2021-39239

XML External Entity (XXE) vulnerability

Vulnerability Description

A vulnerability in XML processing in Apache Jena, in versions up to 4.1.0, may allow an attacker to execute XML External Entities (XXE), including exposing the contents of local files to a remote server.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-39239

Credits & Attribution

No credits recorded in the NVD database.

References

More from Apache Software Foundation

View All →
CVE-2025-69233
Apache CloudStack: Domain/account resources limits not honored
Medium 6.5
CVE-2025-69219
Apache Airflow Providers Http: Unsafe Pickle Deserialization in apache-airflow-providers-http leading to RCE via HttpOperator
Unknown 0
CVE-2025-68675
Apache Airflow: proxy credentials for various providers might leak in task logs
Unknown 0
CVE-2025-68637
Apache Uniffle: Insecure SSL Configuration in Uniffle HTTP Client
Unknown 0
CVE-2025-68493
Apache Struts, Apache Struts: XXE vulnerability in outdated XWork component
Unknown 0

Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache Jena
Vulnerable Versions:
unspecified

Timeline

Official Publish: September 16th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.