XXE in Apache Poi

CVE-2019-12415

In Apache POI up to 4.1.0, when using the tool XSSFExportToXml to convert user-provided Microsoft Excel documents, a specially crafted document can allow an attacker to read files from the local filesystem or from internal network resource…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12415?
CVE-2019-12415 is a medium-severity vulnerability in Apache Poi, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.5/10. Published 2019-10-23.
How severe is CVE-2019-12415?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-12415 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.