XSS in Advantech Webaccess\/scada
CVE-2021-22676
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).
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Advantech Webaccess\/scada
- N/a Webaccess/scada — versions WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-22676?
- CVE-2021-22676 is a medium-severity vulnerability in Advantech Webaccess\/scada, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-10.
- How severe is CVE-2021-22676?
- Medium severity. CVSS v3 base score is 6.1 out of 10.