CVE-2023-2866

Advantech WebAccess Insufficient Type Distinction

Published Jun 7, 2023 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description

If an attacker can trick an authenticated user into loading a maliciously crafted .zip file onto Advantech WebAccess version 8.4.5, a web shell could be used to give the attacker full control of the SCADA server.

Remediation

Vendor Solution

Advantech released a new version V9.1.4 https://www.advantech.com/en/support/details/installation  to address the problem by not including these files.


Vendor Workaround

Advantech recommends users locate and delete the “WADashboardSetup.msi” file to avoid this issue. If users wish to remedy this problem in version 8.4.5, they can uninstall "WebAccess Dashboard" from the control panel. Delete all the files: \Inetpub\wwwroot\broadweb\WADashboard \WebAccess\Node\WADashboardSetup.msi

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-34314 If an attacker can trick an authenticated user into loading a maliciously crafted .zip file onto Advantech WebAccess version 8.4.5, a web shell could be used to give the attacker full control of the SCADA server.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jan 16, 2025, 9:32 PM
Reserved
May 24, 2023, 2:09 PM
Status
Modified
Published
Jun 7, 2023, 9:15 PM
Modified
Jun 17, 2026, 5:53 AM