CVE-2023-33157CriticalCVSS 8.8

Microsoft SharePoint Remote Code Execution Vulnerability

Published
July 11, 2023
Last Modified
—

🔗 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.

According to the CVSS metric, successful exploitation of this vulnerability could lead to total loss of confidentiality (C:H), integrity (I:H), and availability (A:H). What does that mean for this vulnerability? An attacker who successfully exploits this vulnerability could perform a remote attack that could enable access to the victim's information and the ability to alter information. Successful exploitation could also potentially cause downtime for the targeted environment.

How could an attacker exploit the vulnerability? In a network-based attack, an authenticated attacker with Manage List permissions could execute code remotely on the SharePoint Server.

🎯 Affected products3

  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Server 2019
  • Microsoft SharePoint Server Subscription Edition

✅ Remediation

KB5002425 (Security Update) — fixed build 16.0.5404.1000 KB5002423 (Security Update) — fixed build 16.0.10400.20008 KB5002424 (Security Update) — fixed build 16.0.16130.20642

🔗 References (4)