XML External Entity injection in WebAccess/NMS - CVE-2020-10629

 

XML External Entity injection in WebAccess/NMS - CVE-2020-10629

Published: April 8, 2020


Vulnerability identifier: #VU26712
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-2020-10629
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
WebAccess/NMS

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. 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-2020-10629

Install updates from vendor's website.

Sources