Microsoft SharePoint Server Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability? The attacker must be authenticated to the target site as at least a Site Member.
How could an attacker exploit the vulnerability? In a network-based attack, an authenticated attacker, who has a minimum of Site Member permissions (PR:L), could execute code remotely on the SharePoint Server.
I am running SharePoint Enterprise Server 2013 Service Pack 1. Do I need to install both updates that are listed for SharePoint Enterprise Server 2013 Service Pack 1? No. The Cumulative update for SharePoint Server 2013 includes the update for Foundation Server 2013. Customers running SharePoint Server 2013 Service Pack 1 can install the cumulative update or the security update, which is the same update as for Foundation Server 2013. Please note that this is a clarification of the existing servicing model for SharePoint Server 2013 and applies for all previous updates.
🎯 Affected products5
- Microsoft SharePoint Enterprise Server 2013 Service Pack 1
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Foundation 2013 Service Pack 1
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server Subscription Edition
✅ Remediation
KB5002338 (Security Update) — fixed build 16.0.5378.1000 KB5002335 (Cumulative Update) — fixed build 15.0.5519.1000 KB5002336 (Security Update) — fixed build 15.0.5519.1000 KB5002329 (Security Update) — fixed build 16.0.10394.20021 KB5002331 (Security Update) — fixed build 16.0.15601.20418
🔗 References (10)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21742
- patchhttps://www.microsoft.com/download/details.aspx?familyid=3b92380b-b692-4989-abdd-f21fb0828352
- referencehttps://support.microsoft.com/help/5002338
- patchhttps://www.microsoft.com/download/details.aspx?familyid=d0da54d0-c23a-44b9-b1c0-c9b415c4a730
- patchhttps://www.microsoft.com/download/details.aspx?familyid=bd2c7e27-525b-4970-a63e-3956d3848b20
- referencehttps://support.microsoft.com/help/5002336
- patchhttps://www.microsoft.com/download/details.aspx?familyid=788e4c7a-8729-4f38-9e16-6285d4f7c4e5
- referencehttps://support.microsoft.com/help/5002329
- patchhttps://www.microsoft.com/download/details.aspx?familyid=86f10bd4-b462-499d-a677-31b6f43f7958
- referencehttps://support.microsoft.com/help/5002331