Advisory Details

July 16th, 2020

Advantech iView UserServlet performDeleteUser Missing Authentication for Critical Function Information Disclosure Vulnerability

ZDI-20-859
ZDI-CAN-10699

CVE ID CVE-2020-14501
CVSS SCORE 8.2, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS iView
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech iView. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the UserServlet class. The issue results from the lack of authentication prior to allowing alterations to the system configuration. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

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
  • 2020-04-03 - Vulnerability reported to vendor
  • 2020-07-16 - Coordinated public release of advisory
CREDIT rgod
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