CVE-2021-28141

Public Exploit

Description

An issue was discovered in Progress Telerik UI for ASP.NET AJAX 2021.1.224. It allows unauthorized access to MicrosoftAjax.js through the Telerik.Web.UI.WebResource.axd file. This may allow the attacker to gain unauthorized access to the server and execute code. To exploit, one must use the parameter _TSM_HiddenField_ and inject a command at the end of the URI. NOTE: the vendor states that this is not a vulnerability. The request's output does not indicate that a "true" command was executed on the server, and the request's output does not leak any private source code or data from the server

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.04% Top 25%
Third-Party Advisory github.com Third-Party Advisory pastebin.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://pastebin.com/JULpfvFJ third party advisory exploit
https://gist.github.com/shreyasfegade/e2480e26b2ed1d0c7175ecf7cb15f9c1 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-28141?
CVE-2021-28141 has been scored as a critical severity vulnerability.
How to fix CVE-2021-28141?
To fix CVE-2021-28141, 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-2021-28141 being actively exploited in the wild?
It is possible that CVE-2021-28141 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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