关联漏洞
Description
Microsoft Office SharePoint Server contains an improper authentication vulnerability that allows unauthorized attackers to perform spoofing over a network. By crafting a POST request to /_layouts/15/ToolPane.aspx with a forged Referer header (/_layouts/SignOut.aspx), attackers can bypass authentication mechanisms and gain unauthorized access to protected endpoints. This vulnerability is part of the ToolShell exploit chain and is a patch bypass for CVE-2025-49706. When chained with CVE-2025-53770 (deserialization vulnerability), it enables unauthenticated remote code execution on SharePoint Server.
文件快照
id: CVE-2025-53771
info:
name: Microsoft SharePoint Server - Authentication Bypass (ToolShell)
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