CVE-2021-22676 — MEDIUM (6.1)

Q: How severe is CVE-2021-22676?

CVE-2021-22676 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-22676?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Scada.

Vulnerability 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).

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Advantech	Webaccess\/Scada	< 8.4.5

Related Weaknesses (CWE)

CWE-79

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-217-04Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-22676?

CVE-2021-22676 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 t...

How severe is CVE-2021-22676?

CVE-2021-22676 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22676?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess\/Scada.