CVE-2021-34540

Public Exploit

Description

Advantech WebAccess 8.4.2 and 8.4.4 allows XSS via the username column of the bwRoot.asp page of WADashboard.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Vendor Advisory advantech.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.advantech.com/support vendor advisory
https://github.com/ethancsyang/CveProject/tree/main/CVE-2021-34540 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-34540?
CVE-2021-34540 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34540?
To fix CVE-2021-34540, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34540 being actively exploited in the wild?
It is possible that CVE-2021-34540 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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