Advisory Details

July 16th, 2020

Advantech iView NetworkServlet Directory Traversal Remote Code Execution Vulnerability

ZDI-20-841
ZDI-CAN-10623

CVE ID CVE-2020-14507
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS iView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Advantech iView. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the NetworkServlet servlet. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

ADDITIONAL DETAILS Advantech has issued an update to correct this vulnerability. More details can be found at:
https://us-cert.cisa.gov/ics/advisories/icsa-20-196-33
DISCLOSURE TIMELINE
  • 2020-03-18 - Vulnerability reported to vendor
  • 2020-07-16 - Coordinated public release of advisory
CREDIT rgod
BACK TO ADVISORIES