CVE-2021-39239
XML External Entity (XXE) vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-39239- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
XML External Entity (XXE) vulnerability
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.
- Record
CVE-2021-39239- Updated
- 2026-11-02
EUVDEUVD-2021-2007 No score
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.
- Record
EUVD-2021-2007- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7rp6-w7mg-h8rw No score
XML External Entity Reference in Apache Jena
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.
- Record
GHSA-7rp6-w7mg-h8rw- Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-39239- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-39239
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.
- Record
DEBIAN-CVE-2021-39239- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-39239
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.
- Record
UBUNTU-CVE-2021-39239- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-7rp6-w7mg-h8rw No score
XML External Entity Reference in Apache Jena
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.
- Record
GHSA-7rp6-w7mg-h8rw- Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.jena:jena-coreMaven |
before 4.2.0 | 4.2.0 |
apache-jenaDebian:12 |
before 4.5.0-1 | 4.5.0-1 |
apache-jenaDebian:13 |
before 4.5.0-1 | 4.5.0-1 |
apache-jenaDebian:14 |
before 4.5.0-1 | 4.5.0-1 |
org.apache.jena:jena-coreMaven |
before 4.2.0, plus listed versions 2.10.02.10.12.11.02.11.12.11.2 Show 31 moreShow less2.12.02.12.12.13.02.7.0-incubating2.7.12.7.22.7.32.7.43.0.03.0.13.1.03.1.13.10.03.11.03.12.03.13.03.13.13.14.03.15.03.16.03.17.03.2.03.3.03.4.03.5.03.6.03.7.03.8.03.9.04.0.04.1.0 |
4.2.0 |
apache-jenaUbuntu:22.04:LTS |
All versions, plus listed versions 3.17.0-13.17.0-23.17.0-3 |
None known |
apache-jenaUbuntu:24.04:LTS |
All versions, plus listed versions 4.5.0-24.9.0-1 |
None known |
apache-jenaUbuntu:25.10 |
All versions, plus listed versions 4.9.0-1 |
None known |
apache-jenaUbuntu:26.10 |
All versions, plus listed versions 4.9.0-1build1 |
None known |
apache-jenaUbuntu:26.04:LTS |
All versions, plus listed versions 4.9.0-14.9.0-1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39239 is a high vulnerability (CVSS 7.5) in Apache Jena, published September 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.34%, the 91st percentile. Fixed in org.apache.jena:jena-core 4.2.0.
References
lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d3221d493d%40%3Cusers.jena.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2021-39239
Show 8 moreShow less
github.com/advisories/GHSA-7rp6-w7mg-h8rw
security-tracker.debian.org/tracker/CVE-2021-39239
gitbox.apache.org/repos/asf?p=jena.git
ubuntu.com/security/CVE-2021-39239
cve.org/CVERecord?id=CVE-2021-39239