CVE-2020-11991: XEE
First published: Fri Sep 11 2020(Updated: )
When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Cocoon | >=2.1<=2.1.12 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-11991?
CVE-2020-11991 is a vulnerability that allows an attacker to access any file on the server system by using a specially crafted XML that includes external system entities.
What software is affected by CVE-2020-11991?
The Apache Cocoon software versions 2.1 up to and including 2.1.12 are affected by CVE-2020-11991.
How severe is CVE-2020-11991?
CVE-2020-11991 has a severity score of 7.5 (high).
How can an attacker exploit CVE-2020-11991?
An attacker can exploit CVE-2020-11991 by sending a specially crafted XML file to the application, which will be parsed by the StreamGenerator component, allowing them to access any file on the server system.
Is there a fix available for CVE-2020-11991?
Yes, to fix CVE-2020-11991, it is recommended to update to a version of Apache Cocoon that is not affected by the vulnerability.
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