Advisory Details

June 7th, 2021

Advantech iView runProViewUpgrade Missing Authentication Remote Code Execution Vulnerability

CVE ID	CVE-2021-32930
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 runProViewUpgrade action of NetworkServlet, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of the service acccount.
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-21-154-01
DISCLOSURE TIMELINE	2021-01-29 - Vulnerability reported to vendor 2021-06-07 - Coordinated public release of advisory
CREDIT	Selim Enes Karaduman (@Enesdex)

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