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Rewterz Threat Advisory – ICS: Advantech WebAccess/SCADA

Severity

High

Analysis Summary

CVE-2021-32956

The affected product is vulnerable to redirection, which may allow an attacker to send a maliciously crafted URL that could result in redirecting a user to a malicious webpage. Successful exploitation of this vulnerability could allow an attacker to read files outside the intended directory or redirect a user to a malicious webpage.

CVE-2021-32954

The affected product is vulnerable to a directory traversal, which may allow an attacker to remotely read arbitrary files on the file system. Successful exploitation of this vulnerability could allow an attacker to read files outside the intended directory or redirect a user to a malicious webpage.

Impact

  • Relative Path Traversal
  • Open Redirect

Affected Vendors

Advantech

Affected Products

WebAccess/SCADA Versions 9.0.1 and prior

Remediation

Refer to vendor advisory for the complete list of affected products and their respective patches at
https://us-cert.cisa.gov/ics/advisories/icsa-21-168-03