Advisory Details

February 11th, 2021

Advantech iView UserServlet SQL Injection Information Disclosure Vulnerability

ZDI-21-188
ZDI-CAN-12095

CVE ID CVE-2021-22654
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 proper validation of a user-supplied string before using it to construct SQL queries. 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-21-040-02
DISCLOSURE TIMELINE
  • 2020-11-18 - Vulnerability reported to vendor
  • 2021-02-11 - Coordinated public release of advisory
CREDIT Anonymous
BACK TO ADVISORIES