2021-38366 | Sitecore Update Center unrestricted upload
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in Sitecore up to 10.1. It has been classified as critical. This affects an unknown function of the component Update Center. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-434. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
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.
The weakness was shared 08/13/2021. The advisory is shared at blog.istern.dk. This vulnerability is uniquely identified as CVE-2021-38366 since 08/10/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/18/2021).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3
Status: Not defined
0-Day Time: 🔒
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