CVE-2017-12621

9.8 CRITICAL
Published: September 28, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/101052
Source: security@apache.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039444
Source: security@apache.org
Third Party Advisory VDB Entry
https://issues.apache.org/jira/browse/JELLY-293
Source: security@apache.org
Issue Tracking Patch Vendor Advisory
http://www.securityfocus.com/bid/101052
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039444
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://issues.apache.org/jira/browse/JELLY-293
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
8.5%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apache