CVE-2021-34821

Description

Cross Site Scripting (XSS) vulnerability exists in AAT Novus Management System through 1.51.2. The WebUI has wrong HTTP 404 error handling implemented. A remote, unauthenticated attacker may be able to exploit the issue by sending malicious HTTP requests to non-existing URIs. The value of the URL path filename is copied into the HTML document as plain text tags.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory seclists.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://seclists.org/fulldisclosure/2021/Jul/20 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-34821?
CVE-2021-34821 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34821?
To fix CVE-2021-34821, 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-2021-34821 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34821 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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