CVE-2017-11357 is a critical arbitrary file upload vulnerability affecting Progress Telerik UI for ASP.NET AJAX versions prior to R2 2017 SP2, specifically within the RadAsyncUpload component. This flaw allows unauthenticated remote attackers to upload arbitrary files or execute code due to insufficient user input restrictions. With a CVSS score of 9.8 (CRITICAL), it is easily exploitable over the network with low attack complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, including by ransomware campaigns and state-sponsored actors, with publicly available exploit code on ExploitDB and significant community discussion and media coverage highlighting its impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2020.1.114CPE matchmatch criteria | cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.