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CVE-2021-28141
CRITICAL9.8
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
CVE Details
CVSS v3.1 Score9.8
SeverityCRITICAL
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published3/11/2021
Last Modified6/30/2025
Sourcenvd
Honeypot Sightings0
Affected Products
progress:telerik_ui_for_asp.net_ajax
Weaknesses (CWE)
CWE-862
References
https://pastebin.com/JULpfvFJ(cve@mitre.org)
https://gist.github.com/shreyasfegade/e2480e26b2ed1d0c7175ecf7cb15f9c1(af854a3a-2127-422b-91ae-364da2661108)
https://pastebin.com/JULpfvFJ(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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