<p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.</p> <p>The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.</p>
CVSS Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Sharepoint | — | Download and install Microsoft KB4486677Download and install Microsoft KB4486676 | May 15, 2023 | Oct 16, 2020 |
| Msft | — | Security Update for Microsoft SharePoint Foundation 2013 (KB4486694) | Oct 13, 2020 | Oct 13, 2020 |
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