#VU46764 XML External Entity injection in Apache Cocoon - CVE-2020-11991

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Main Vulnerability Database Vulnerabilities #VU46764

#VU46764 XML External Entity injection in Apache Cocoon - CVE-2020-11991

Published: September 11, 2020 / Updated: September 16, 2020


Vulnerability identifier: #VU46764
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-11991
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Apache Cocoon
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input when using the StreamGenerator. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


Remediation

Install updates from vendor's website.

External links