7.5
HIGH
CVE-2021-24086
Microsoft Windows TCP/IP DOS
Description

Windows TCP/IP Denial of Service Vulnerability

INFO

Published Date :

Feb. 25, 2021, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 5:52 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-24086 has a 19 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-2021-24086 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_10
2 Microsoft windows_7
3 Microsoft windows_8.1
4 Microsoft windows_rt_8.1
5 Microsoft windows_server_2008
6 Microsoft windows_server_2012
7 Microsoft windows_server_2016
8 Microsoft windows_server_2019
9 Microsoft windows_10_1607
10 Microsoft windows_10_1809
11 Microsoft windows_10_20h2
12 Microsoft windows_10_1507
13 Microsoft windows_10_1803
14 Microsoft windows_10_1909
15 Microsoft windows_server_20h2
16 Microsoft windows_server_1909
17 Microsoft windows_server_2004
18 Microsoft windows_server_2012_r2
19 Microsoft windows_server_2008_r2
20 Microsoft windows_server_2008_sp2
: Total Affected Vendor : 1 | Products : 20
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-2021-24086.

URL Resource
http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24086 Patch Vendor Advisory
http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24086 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).

Profile Photo
Faizan-Khanx/CVE-2024-38063

CVE-2024-38063 - Remotely Exploiting The Kernel Via IPv6

HTML

Updated: 3 months, 1 week ago
1 stars 0 fork 0 watcher
Born at : Sept. 10, 2024, 7:15 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
AdminPentester/CVE-2024-38063-

Remotely Exploiting The Kernel Via IPv6

Updated: 3 months, 2 weeks ago
1 stars 1 fork 1 watcher
Born at : Aug. 28, 2024, 3:28 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
rookiemagnum/rookiemagnum

None

Updated: 5 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : June 22, 2024, 3:19 p.m. This repo has been linked 7 different CVEs too.
Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 1 month, 1 week ago
8 stars 3 fork 3 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 9 months ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
ProbiusOfficial/Awsome-Sec.CTF-Videomaker

【Hello CTF】收录国内网络安全以及CTF领域的优秀视频作者

Python

Updated: 1 month ago
176 stars 19 fork 19 watcher
Born at : Oct. 4, 2023, 8:20 p.m. This repo has been linked 13 different CVEs too.
Profile Photo
liang2kl/iot-exploits

Some IoT targets with vulnerabllities, running in docker containers

Dockerfile Python Shell

Updated: 1 year, 4 months ago
1 stars 0 fork 0 watcher
Born at : July 5, 2023, 3:53 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
3th1c4l-t0n1/awesome-csirt

None

C Python PowerShell Lua

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : April 11, 2023, 2:15 p.m. This repo has been linked 16 different CVEs too.
Profile Photo
whoforget/CVE-POC

None

Updated: 1 year, 8 months ago
0 stars 2 fork 2 watcher
Born at : April 8, 2023, 6:19 a.m. This repo has been linked 923 different CVEs too.
Profile Photo
k0mi-tg/CVE-POC

None

Updated: 10 months ago
20 stars 3 fork 3 watcher
Born at : Feb. 14, 2023, 6:10 p.m. This repo has been linked 921 different CVEs too.
Profile Photo
WhooAmii/POC_to_review

None

Updated: 10 months ago
2 stars 2 fork 2 watcher
Born at : Nov. 25, 2022, 5:43 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
soosmile/POC

None

Updated: 5 months, 2 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.
Profile Photo
SexyBeast233/SecBooks

安全类各家文库大乱斗

HTML CSS JavaScript Go Python Shell C

Updated: 1 week, 5 days ago
982 stars 241 fork 241 watcher
Born at : Feb. 15, 2022, 3:14 a.m. This repo has been linked 568 different CVEs too.
Profile Photo
lisinan988/CVE-2021-24086-exp

None

Python

Updated: 3 years ago
1 stars 1 fork 1 watcher
Born at : Nov. 25, 2021, 4:56 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
tzwlhack/Vulnerability

None

Updated: 3 weeks ago
71 stars 14 fork 14 watcher
Born at : Oct. 13, 2021, 4:56 a.m. This repo has been linked 175 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-2021-24086 vulnerability anywhere in the article.

  • malwaretech.com
CVE-2024-38063 - Remotely Exploiting The Kernel Via IPv6

Since the latest Windows patch dropped on the 13th of August I’ve been deep in the weeds of tcpip.sys (the kernel driver responsible for handling TCP/IP packets). A vulnerability with a 9.8 CVSS score ... Read more

Published Date: Aug 27, 2024 (3 months, 3 weeks ago)
CVE-2024-38063 CVE-2021-24086
  • BleepingComputer
Zero-click Windows TCP/IP RCE impacts all systems with IPv6 enabled

Microsoft warned customers this Tuesday to patch a critical TCP/IP remote code execution (RCE) vulnerability with an increased likelihood of exploitation that impacts all Windows systems using IPv6, w ... Read more

Published Date: Aug 14, 2024 (4 months ago)
CVE-2024-38063 CVE-2023-28231 CVE-2021-24086 CVE-2020-16899 CVE-2020-16898
  • BleepingComputer
Zero-click Windows TCP/IP RCE impacts all systems with IPv6 enabled, patch now

Microsoft warned customers this Tuesday to patch a critical TCP/IP remote code execution (RCE) vulnerability with an increased likelihood of exploitation that impacts all Windows systems using IPv6, w ... Read more

Published Date: Aug 14, 2024 (4 months ago)
CVE-2024-38063 CVE-2023-28231 CVE-2021-24086 CVE-2020-16899 CVE-2020-16898

The following table lists the changes that have been made to the CVE-2021-24086 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html
    Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24086
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Dec. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 Microsoft Corporation AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Modified Analysis by [email protected]

    May. 27, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jul. 14, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163499/Windows-TCP-IP-Denial-Of-Service.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 03, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24086 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24086 Patch, Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *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:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_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-2021-24086 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-2021-24086 weaknesses.

Exploit Prediction

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

0.93 }} 0.80%

score

0.82752

percentile

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