9.8
CRITICAL
CVE-2023-21716
Microsoft Word Remote Code Execution(servwithintheMSOfficeUncalculatedExpressionHeap')
Description

Microsoft Word Remote Code Execution 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 :

3.9
Public PoC/Exploit Available at Github

CVE-2023-21716 has a 33 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-2023-21716 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 office
4 Microsoft word
5 Microsoft sharepoint_server
6 Microsoft 365_apps
7 Microsoft office_web_apps
8 Microsoft office_online_server
9 Microsoft office_long_term_servicing_channel
10 Microsoft office_web_apps_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-2023-21716.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716 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).

This repository focuses on exploring Common Vulnerabilities and Exposures (CVE), a standardized system for identifying and cataloging known cybersecurity vulnerabilities. It includes in-depth research on CVE impacts, exploitation techniques, and mitigation strategies to enhance system security.

Python

Updated: 1 day, 18 hours ago
2 stars 0 fork 0 watcher
Born at : Nov. 19, 2024, 7:44 a.m. This repo has been linked 3 different CVEs too.

None

Updated: 4 days ago
0 stars 2 fork 2 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.

POC CVE 2023-21716

exploit poc rce rtf cve-2023-21716 poc-cve-2023-21716

Shell Rich Text Format Batchfile

Updated: 2 weeks, 4 days ago
1 stars 1 fork 1 watcher
Born at : Oct. 30, 2024, 9:38 a.m. This repo has been linked 1 different CVEs too.

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 203 different CVEs too.

None

Updated: 6 months ago
0 stars 0 fork 0 watcher
Born at : May 16, 2024, 2:53 p.m. This repo has been linked 48 different CVEs too.

None

HTML Python

Updated: 8 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : Feb. 29, 2024, 10:07 a.m. This repo has been linked 3 different CVEs too.

CVE-2024-21413 exploit

Shell

Updated: 8 months, 3 weeks ago
2 stars 0 fork 0 watcher
Born at : Feb. 28, 2024, 7:26 a.m. This repo has been linked 2 different CVEs too.

Microsoft Outlook Information Disclosure Vulnerability (leak password hash)

Shell

Updated: 8 months, 3 weeks ago
6 stars 0 fork 0 watcher
Born at : Feb. 17, 2024, 11:11 a.m. This repo has been linked 2 different CVEs too.

Microsoft Outlook Information Disclosure Vulnerability (leak password hash) - CVE-2024-21413 POC

Python

Updated: 3 months, 4 weeks ago
16 stars 2 fork 2 watcher
Born at : Feb. 16, 2024, 9:10 p.m. This repo has been linked 2 different CVEs too.

Microsoft Outlook Information Disclosure Vulnerability (leak password hash) - Expect Script POC

Shell

Updated: 2 months, 2 weeks ago
150 stars 29 fork 29 watcher
Born at : Feb. 15, 2024, 7:57 p.m. This repo has been linked 2 different CVEs too.

None

CSS HTML JavaScript

Updated: 9 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.

None

Python C Shell

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 7, 2024, 10:22 a.m. This repo has been linked 61 different CVEs too.

Ethical Hacking Repository

Python C Shell

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 2, 2024, 9:12 a.m. This repo has been linked 61 different CVEs too.

OSCP Cheat Sheet

cheatsheet oscp

Python C Shell

Updated: 3 months, 1 week ago
7 stars 4 fork 4 watcher
Born at : Dec. 17, 2023, 12:31 p.m. This repo has been linked 61 different CVEs too.

This is an exploit file which is used to check CVE-2021-21716 vulnerability

Python Rich Text Format

Updated: 2 months, 4 weeks ago
3 stars 0 fork 0 watcher
Born at : Nov. 4, 2023, 8:49 a.m. This repo has been linked 1 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-2023-21716 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-21716 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-190
  • CVE Modified by [email protected]

    May. 28, 2024

    Action Type Old Value New Value
  • 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
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21716 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:* *cpe:2.3:a:microsoft:office_online_server:2016:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:* *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:-:language_pack:*:*:subscription:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:* *cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*
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-2023-21716 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-2023-21716 weaknesses.

Exploit Prediction

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

30.87 }} -0.56%

score

0.97090

percentile

CVSS31 - Vulnerability Scoring System
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