CVE-2021-41042
XML External Entity Reference in Eclipse Lyo
4.2
MEDIUM
CVSS 3.1
EPSS 0.31%
Description
In Eclipse Lyo versions 1.0.0 to 4.1.0, a TransformerFactory is initialized with the defaults that do not restrict DTD loading when working with RDF/XML. This allows an attacker to cause an external DTD to be retrieved.
How to fix CVE-2021-41042
To remediate CVE-2021-41042, upgrade the affected package to a fixed version below.
- Maven/org.eclipse.lyo:lyo-parent—upgrade to 5.0.0.Final or later
Is CVE-2021-41042 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.0.0, < 5.0.0.Final
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L |