CVE-2017-12621

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

During Jelly (xml) file parsing with Apache Xerces, if a custom doctype entity is declared with a "SYSTEM" entity with a URL and that entity is used in the body of the Jelly file, during parser instantiation the parser will attempt to connect to said URL. This could lead to XML External Entity (XXE) attacks in Apache Commons Jelly before 1.0.1.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-611

Affected software

No affected versions have been published.

Timeline

Published: Sep 28, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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