← All advisories

Medium severity6.1NVD Advisory· Published Jun 11, 2021· Updated Jun 17, 2026

CVE-2021-34540

CVE-2021-34540

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Advantech/Webaccess3 versions
cpe:2.3:a:advantech:webaccess:8.4.2:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:advantech:webaccess:8.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:advantech:webaccess:8.4.4:*:*:*:*:*:*:*
- (no CPE)range: 8.4.2, 8.4.4
Advantech/WebAccessdescription

Patches

Vulnerability mechanics

References

2

github.com/ethancsyang/CveProject/tree/main/CVE-2021-34540nvdExploitThird Party Advisory
www.advantech.com/supportnvdVendor Advisory

News mentions

0

No linked articles in our index yet.