CVE-2020-11991 XML external entity in Apache Cocoon
An attacker can exploit an XML External Entity vulnerability in Apache Cocoon's StreamGenerator to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-11991?
CVE-2020-11991 is a high-severity vulnerability in Apache Cocoon, published on 11 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-611
Which versions are affected by CVE-2020-11991?
It affects 1 product.
Products include Apache Cocoon.
How do I fix CVE-2020-11991?
No fix has been published for CVE-2020-11991 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-11991 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-11991 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Apache Cocoon
Sources
Also known as GHSA-586v-g7r5-mhgp.