XXE in Apache Jena
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.043 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Apache Jena
- Apache Software Foundation Jena — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d32… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d32… (mailing-list)
- lists.apache.org/thread.html/r0f03ae7e102c3e8587fdd36531fc167309335738156dfbd7d… (mailing-list)
- lists.apache.org/thread.html/rce5241b228a1f0e5880f6b2bfdb7ae9ee420e94cb692738a0… (mailing-list)
Frequently asked questions
- What is CVE-2021-39239?
- CVE-2021-39239 is a high-severity vulnerability in Apache Jena, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2021-09-16.
- How severe is CVE-2021-39239?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-39239 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.