How severe is CVE-2017-11357?

CVE-2017-11357 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 77.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2017-11357: Telerik UI for ASP.NET AJAX Insecure Direct Object

CISA Known Exploited Vulnerabilities

Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-01-26

Remediation due

2023-02-16

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://docs.telerik.com/devtools/aspnet-ajax/knowledge-base/asyncupload-insecure-direct-object-reference; https://nvd.nist.gov/vuln/detail/CVE-2017-11357

Description

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.

Severity

CVSS 3.1 · CISA9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

2 Links

Exploits & PoCs

43874

Other references

http://www.telerik.com/support/kb/aspnet-ajax/upload-%28async%29/details/insecure-direct-object-reference

Record Details

Published

2017-08-23

Last updated

2026-08-14

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.