CVE-2017-11357 (GCVE-0-2017-11357)
Vulnerability from cvelistv5 – Published: 2017-08-23 17:00 – Updated: 2026-08-14 03:55Summary
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
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2021-01-22 00:00 UTC
CWE
- n/a
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/43874/ | exploitx_refsource_EXPLOIT-DB |
| http://www.telerik.com/support/kb/aspnet-ajax/upl… | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Date Public
2017-08-23 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 17a1696b-d74d-4a66-9ea7-020cec98547e
Exploited: Yes
Timestamps
First Seen: 2023-01-26
Asserted: 2023-01-26
Scope
Notes: KEV entry: Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability | Affected: Telerik / User Interface (UI) for ASP.NET AJAX | Description: Telerik UI for ASP.NET AJAX contains an insecure direct object reference vulnerability in RadAsyncUpload that can result in file uploads in a limited location and/or remote code execution. | Required action: Apply updates per vendor instructions. | Due date: 2023-02-16 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://docs.telerik.com/devtools/aspnet-ajax/knowledge-base/asyncupload-insecure-direct-object-reference; https://nvd.nist.gov/vuln/detail/CVE-2017-11357
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-20 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | User Interface (UI) for ASP.NET AJAX |
| Due Date | 2023-02-16 |
| Date Added | 2023-01-26 |
| Vendorproject | Telerik |
| Vulnerabilityname | Telerik UI for ASP.NET AJAX Insecure Direct Object Reference Vulnerability |
| Knownransomwarecampaignuse | Known |
References
Created: 2026-02-02 13:25 UTC
| Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b25958f1-c88b-452d-8482-f83bfe9f95e7
Exploited: Yes
Timestamps
First Seen: 2023-01-26
Asserted: 2023-01-26
Scope
Notes: KEVIntel entry: Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which allows remote attackers to... | Affected: Progress / Telerik UI for ASP.NET AJAX | CVSS: 9.8 (CRITICAL) | Used in malware: yes | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Confirmed Compromise
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Progress Telerik UI for ASP.NET AJAX before R2 2017 SP2 does not properly restrict user input to RadAsyncUpload, which allows remote attackers to... |
| Vendor | Progress |
| Product | Telerik UI for ASP.NET AJAX |
| Added Date | 2023-01-26T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | None |
| Cvss Severity | CRITICAL |
| Epss Percentile | None |
| Used In Malware | yes |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:14 UTC
| Updated: 2026-06-23 11:14 UTC
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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