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CVE-2021-38366: Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users to upload arbitrary files and achieve remote code execution by visiting an uploaded .aspx file at an admin/Pa...
CVE-2021-38366 · published 5 years ago
Summary
Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users to upload arbitrary files and achieve remote code execution by visiting an uploaded .aspx file at an admin/Packages URL.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| sitecore | sitecore |
<= 10.1 cpe:2.3:a:sitecore:sitecore:*:*:*:*:*:*:*:* |
Original advisory text
Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users to upload arbitrary files and achieve remote code execution by visiting an uploaded .aspx file at an admin/Pa...
Sitecore through 10.1, when Update Center is enabled, allows remote authenticated users to upload arbitrary files and achieve remote code execution by visiting an uploaded .aspx file at an admin/Packages URL.
References
- https://blog.istern.dk/2021/08/10/sitecore-10-authenticated-file-upload-to-rce/ Exploit Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-434Unrestricted File Upload
Timeline
Published12 Aug 2021
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2021-38366 · NVD
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