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CVE-2021-41042

Good to know:

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Date: July 7, 2022

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.

Language: Java

Severity Score

Related Resources (6)

https://github.com/eclipse/lyo
https://github.com/eclipse/lyo/releases/tag/v5.0.0
https://github.com/eclipse/lyo/commit/a8b15b7f49ca15e55f6699749c39705d21367c6e
https://gitlab.eclipse.org/eclipsefdn/emo-team/emo/-/issues/287
https://nvd.nist.gov/vuln/detail/CVE-2021-41042
https://www.mend.io/vulnerability-database/CVE-2021-41042

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference

CWE-611

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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