ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

Microsoft SharePoint Exploit Attempt - CVE-2021-34467

Risk Factors

An authenticated attacker with the ability to upload files to a personal or shared folder on a SharePoint server could upload a web shell and directly run malicious code on the SharePoint server. Running web shells or other code is dependent on which SharePoint mitigations are configured, such as support for running code-blocks.

Category

Exploitation
Detection diagram
Next in Exploitation: Microsoft SharePoint Exploit Attempt - CVE-2023-29357

Attack Background

Microsoft SharePoint has a vulnerability in how it processes incoming HTTP requests without validating URL parameters. An attacker could create an HTTP request with a specially designed URI for a file on a SharePoint server, resulting in remote code execution (RCE).

Mitigation Options

Install patches for relevant versions

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

News

Detections

Visit this resource for more information.

Docs

The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization's lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

Blog

ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

Blog

MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

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