8.8
HIGH
CVE-2023-21717
Microsoft SharePoint Server Unauthorized File Read
Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

INFO

Published Date :

Feb. 14, 2023, 8:15 p.m.

Last Modified :

May 29, 2024, 3:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-21717 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft sharepoint_enterprise_server
2 Microsoft sharepoint_foundation
3 Microsoft sharepoint_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-21717.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21717 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-21717 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-21717 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 29, 2024

    Action Type Old Value New Value
    Added CWE Microsoft Corporation CWE-284
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 23, 2023

    Action Type Old Value New Value
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21717 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21717 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-21717 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.02%

score

0.47164

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability