CVE-2017-11357
Exploitation confirmed. First attested on 2023-01-26 by CISA-ADP, CISA KEV, GCVE · kevintel.
- Published2017-08-23
- Fixed in2020.1.114
- WeaknessCWE-434
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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.
Timeline
dates in UTCObserved activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-11357?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-11357?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2020.1 | < 2020.1.114 | 2020.1.114 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Progress telerik ui for asp.net ajax to 2020.1.114
- CISA’s required action: Apply updates per vendor instructions.due 2023-02-16
Advisories and patches
- www.telerik.comMitigation · Vendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
CISA Known Exploited Vulnerability
- Date Added
- 2023-01-26
- Patch Due Date
- 2023-02-16
- Ransomware Use
- Known
- Required Action
- Apply updates per vendor instructions.
Sources
- CISA KEVKEV entry2023-01-26
- GCVEexploitation2023-01-26
- CISA-ADPSSVC decisionactive2025-02-07
- OpenCVESSVC decisionactive—
- CISA-ADPCVSS 3.19.82025-02-07
- NVDCVSS 3.19.8read 2026-10-23
- NVDCVSS 2.07.5read 2026-10-23
- CISA-ADPweakness (CWE)CWE-4342025-02-07
- NVDweakness (CWE)CWE-434read 2026-10-23
- FIRST EPSSEPSS score77.7 %read 2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2017-08-23
- Last Modified
- 2026-08-14
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2017-11357?
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What is the CVSS score for CVE-2017-11357?
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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.