What is CVE-2020-14338?

CVE-2020-14338 is a medium-severity vulnerability in Red Hat Xerces, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2020-09-17.

How severe is CVE-2020-14338?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Red Hat Xerces

CVE-2020-14338

A flaw was found in Wildfly's implementation of Xerces, specifically in the way the XMLSchemaValidator class in the JAXP component of Wildfly enforced the "use-grammar-pool-only" feature. This flaw allows a specially-crafted XML file to manipulate the validation process in certain cases. This issue is the same flaw as CVE-2020-14621, which affected OpenJDK, and uses a similar code. This flaw affects all Xerces JBoss versions before 2.12.0.SP3.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Redhat Xerces — versions 2.12.0
N/a Wildfly — versions All xerces jboss versions before 2.12.0.SP3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2020-14338?: CVE-2020-14338 is a medium-severity vulnerability in Red Hat Xerces, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2020-09-17.
How severe is CVE-2020-14338?: Medium severity. CVSS v3 base score is 5.3 out of 10.