XML External Entity injection in AutoUpdater.NET - CVE-2019-20627
Published: April 1, 2020
Vulnerability identifier: #VU26516
CSH Severity: Medium
CVSS v4.0: 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-2019-20627
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ravi Patel
Affected software:
AutoUpdater.NET
AutoUpdater.NET
Detailed vulnerability 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 in "AutoUpdater.cs". 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.
How to mitigate CVE-2019-20627
Install updates from vendor's website.