Arbitrary file upload in Progress Telerik_ui_for_asp.net_ajax
CVE-2017-11357
Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which allows remote attackers to perform arbitrary file uploads or execute arbitrary code.
Vulnerability class: Unrestricted File Upload
EPSS: 0.757 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Progress Telerik_ui_for_asp.net_ajax
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2017-11357?
- CVE-2017-11357 is a critical-severity vulnerability in Progress Telerik_ui_for_asp.net_ajax, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2017-08-23.
- How severe is CVE-2017-11357?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-11357 known to be exploited?
- Yes. CVE-2017-11357 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-01-26), indicating it is being actively exploited. 18 public proof-of-concept repositories are indexed.