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Vulnerability · Published Sep 16, 2021 · Assigned by apache

CVE-2021-39239XML External Entity (XXE) vulnerability

High 7.5

In plain English

A high-severity security flaw in Apache Jena from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.3% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.3%top 8.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12apache-jena4.5.0-1DEBIAN-CVE-2021-39239
Debian:13apache-jena4.5.0-1DEBIAN-CVE-2021-39239
Debian:14apache-jena4.5.0-1DEBIAN-CVE-2021-39239
Mavenorg.apache.jena:jena-core4.2.0GHSA-7rp6-w7mg-h8rw
Ubuntu:22.04:LTSapache-jenano fix listedUBUNTU-CVE-2021-39239
Ubuntu:24.04:LTSapache-jenano fix listedUBUNTU-CVE-2021-39239
Ubuntu:25.10apache-jenano fix listedUBUNTU-CVE-2021-39239
Ubuntu:26.04:LTSapache-jenano fix listedUBUNTU-CVE-2021-39239
Ubuntu:26.10apache-jenano fix listedUBUNTU-CVE-2021-39239

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Jena unspecified – before 4.1.0

References