CVE-2021-39239

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.0% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-09-16 14:40Z5 YR AGO

Last updated

2024-08-04 02:06Z2 YR AGO

Reserved

2021-08-17

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

b68df96d43b97985935be5b2d82850db1592b87ef8b63c7e46dd547f922c1e4f

• lists.apache.orghttps://lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d3221d493d%40%3Cusers.jena.apache.org%3Ex_refsource_MISC
• lists.apache.org[announce] 20210916 CVE-2021-39239: Apache Jena: XML External Entity (XXE) vulnerabilityhttps://lists.apache.org/thread.html/rf44d529c54ef1d0097e813f576a0823a727e1669a9f610d3221d493d%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[jena-dev] 20210921 Re: CVE-2021-39239 notifications for Jena 4.2.0https://lists.apache.org/thread.html/r0f03ae7e102c3e8587fdd36531fc167309335738156dfbd7d9c1bf45%40%3Cdev.jena.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[jena-dev] 20210921 CVE-2021-39239 notifications for Jena 4.2.0https://lists.apache.org/thread.html/rce5241b228a1f0e5880f6b2bfdb7ae9ee420e94cb692738a0bbfed9d%40%3Cdev.jena.apache.org%3Emailing-listx_refsource_MLIST