7.8
HIGH
CVE-2023-21808
Microsoft .NET Framework Remote Code Execution Vulnerability
Description

.NET and Visual Studio Remote Code Execution Vulnerability

INFO

Published Date :

Feb. 14, 2023, 9:15 p.m.

Last Modified :

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

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2023-21808 has a 1 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-2023-21808 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 windows_server_2008
2 Microsoft windows_server_2012
3 Microsoft windows_server_2016
4 Microsoft .net_framework
5 Microsoft windows_server_2019
6 Microsoft visual_studio_2017
7 Microsoft visual_studio_2019
8 Microsoft visual_studio
9 Microsoft windows_10_1607
10 Microsoft windows_10_1809
11 Microsoft windows_10_20h2
12 Microsoft windows_10_21h2
13 Microsoft windows_10_22h2
14 Microsoft windows_server_2022
15 Microsoft windows_11_21h2
16 Microsoft windows_11_22h2
17 Microsoft .net
18 Microsoft powershell
19 Microsoft windows_10_1507
20 Microsoft visual_studio_2022
21 Microsoft windows_10_1703
22 Microsoft windows_10_1709
23 Microsoft windows_10_1803
24 Microsoft windows_10_21h1
25 Microsoft windows_10_1909
26 Microsoft windows_10_1511
27 Microsoft windows_10_2004
: Total Affected Vendor : 1 | Products : 27
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-2023-21808.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21808 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).

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SohelParashar/.Net-Deserialization-Cheat-Sheet

None

Updated: 6 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Feb. 27, 2024, 3:28 p.m. This repo has been linked 22 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-2023-21808 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-21808 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-416
  • 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
  • Reanalysis by [email protected]

    Dec. 13, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:6.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (excluding) 15.9.51 *cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (excluding) 16.11.24 *cpe:2.3:a:microsoft:visual_studio_2022:17.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.4:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net:6.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (excluding) 15.9.51 *cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (excluding) 16.11.24 *cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.4:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.8.1:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.7:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.7.1:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.7.2:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:4.6.2:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 15, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* OR *cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Feb. 24, 2023

    Action Type Old Value New Value
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21808 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21808 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:microsoft:.net:6.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (excluding) 15.9.51 *cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* versions from (including) 16.0 up to (excluding) 16.11.24 *cpe:2.3:a:microsoft:visual_studio_2022:17.0.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:visual_studio_2022:17.4:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.7.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.8.1:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.6.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1709:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1709:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:4.6.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.8.1:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net:4.6.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.7:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.7.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net:4.7.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
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-2023-21808 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-2023-21808 weaknesses.

Exploit Prediction

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

0.24 }} 0.03%

score

0.61985

percentile

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