CVE-2021-22676

Published: Aug 10, 2021Modified: Jun 17, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: NVD

Description

UserExcelOut.asp within WebAccess/SCADA is vulnerable to cross-site scripting (XSS), which could allow an attacker to send malicious JavaScript code. This could result in hijacking of cookie/session tokens, redirection to a malicious webpage, and unintended browser action on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).

Affected (2)

Products: Advantech: Webaccess/scada

1 product

Webaccess/scada

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Advantech Webaccess/scada	Before 8.4.5
Advantech Webaccess/scada	From 9.0 to 9.0.1

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04

Source: ics-cert@hq.dhs.gov

Third Party AdvisoryUS Government Resource

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.