Known Exploited Vulnerability
9.8
CRITICAL
CVE-2023-29357
Microsoft SharePoint Server Privilege Escalation V - [Actively Exploited]
Description

Microsoft SharePoint Server Elevation of Privilege Vulnerability

INFO

Published Date :

June 14, 2023, 12:15 a.m.

Last Modified :

June 10, 2024, 3:25 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357

Public PoC/Exploit Available at Github

CVE-2023-29357 has a 15 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-29357 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_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-2023-29357.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357 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).

Event ID 189 Rule Name SOC227 Microsoft SharePoint Server Elevation of Privilege Possible CVE-2023-29357 .. Exploitation

Updated: 6 days, 7 hours ago
0 stars 0 fork 0 watcher
Born at : Sept. 12, 2024, 5:45 p.m. This repo has been linked 1 different CVEs too.

A super simple Cisa KEV lookup CLI tool leveraging DuckDB

Python

Updated: 1 month, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : July 2, 2024, 7:56 p.m. This repo has been linked 33 different CVEs too.

Latest CVEs with their Proof of Concept exploits.

Python

Updated: 1 week, 3 days ago
5 stars 1 fork 1 watcher
Born at : May 24, 2024, 11:02 a.m. This repo has been linked 78 different CVEs too.

A wildly opinionated Python 3 library for working with the CISA Known Exploited Vulnerabilities (KEV) catalog

Python Makefile

Updated: 2 months, 4 weeks ago
3 stars 0 fork 0 watcher
Born at : Jan. 9, 2024, 5:51 p.m. This repo has been linked 11 different CVEs too.

A Python script that verifies whether a target is vulnerable to CVE-2023-29357 or not

Python

Updated: 8 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : Jan. 1, 2024, 9:08 p.m. This repo has been linked 1 different CVEs too.

None

Updated: 2 months, 2 weeks ago
3 stars 0 fork 0 watcher
Born at : Dec. 22, 2023, 8:42 a.m. This repo has been linked 1 different CVEs too.

None

Python

Updated: 10 months, 3 weeks ago
0 stars 1 fork 1 watcher
Born at : Oct. 25, 2023, 12:34 p.m. This repo has been linked 1 different CVEs too.

Recreation of the SharePoint PoC for CVE-2023-29357 in C# from LuemmelSec

Updated: 7 months ago
2 stars 0 fork 0 watcher
Born at : Oct. 10, 2023, 1:41 p.m. This repo has been linked 1 different CVEs too.

None

C#

Updated: 3 weeks, 2 days ago
50 stars 5 fork 5 watcher
Born at : Sept. 30, 2023, 11:17 p.m. This repo has been linked 2 different CVEs too.

Microsoft SharePoint Server Elevation of Privilege Vulnerability

exploit infosec microsoft sharepoint cve-2023-24955 cve-2023-29357

Python

Updated: 3 weeks ago
221 stars 30 fork 30 watcher
Born at : Sept. 26, 2023, 4:18 p.m. This repo has been linked 2 different CVEs too.

A list of dorks for the Netlas.io search engine, with which you can find millions of objects in the boundless IoE. Contains queries to search for IoT elements, protocols, communication tools, remote access, and more. Over time, the list will grow.

osint penetration-testing security-tools

Updated: 1 week, 4 days ago
173 stars 20 fork 20 watcher
Born at : April 17, 2023, 10:27 a.m. This repo has been linked 64 different CVEs too.

None

Shell

Updated: 1 week, 3 days ago
3 stars 2 fork 2 watcher
Born at : March 23, 2023, 4:32 a.m. This repo has been linked 435 different CVEs too.

None

Shell

Updated: 1 week, 4 days ago
1 stars 0 fork 0 watcher
Born at : March 19, 2023, 1:53 a.m. This repo has been linked 265 different CVEs too.

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 1 week, 4 days ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.

TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things

bugbounty cve exp exploit payload poc rce vulnerability

Shell

Updated: 1 week, 4 days ago
647 stars 116 fork 116 watcher
Born at : March 19, 2022, 1:54 a.m. This repo has been linked 273 different CVEs too.

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

The following list is the news that have been mention CVE-2023-29357 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-29357 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.

  • Modified Analysis by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 29, 2024

    Action Type Old Value New Value
    Added CWE Microsoft Corporation CWE-303
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jan. 11, 2024

    Action Type Old Value New Value
    Added Date Added 2024-01-10
    Added Vulnerability Name Microsoft SharePoint Server Privilege Escalation Vulnerability
    Added Due Date 2024-01-31
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • Initial Analysis by [email protected]

    Jun. 20, 2023

    Action Type Old Value New Value
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *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-2023-29357 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-29357 weaknesses.

Exploit Prediction

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

88.55 }} 2.46%

score

0.98769

percentile

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