VDB
CVE-2021-24086
CVE-2021-24086
PUBLISHED
CVSS 7.5 HIGH
Windows TCP/IP Denial of Service Vulnerability
EPSS 50.81% · 97.9th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
EPSS Score
50.81%
97.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| microsoft | windows_server_2016 | 2004, 20h2, 1909 |
| microsoft | windows_10 | 1809, 2004, 1909 |
| microsoft | windows_server_2019 | |
| Microsoft | Windows Server 2012 R2 | 6.3.0 |
| Microsoft | Windows 8.1 | 6.3.0 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 |
| Microsoft | Windows Server version 20H2 | 10.0.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 |
| Microsoft | Windows Server 2019 | 10.0.0 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.0 |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 |
| microsoft | windows_7 | |
| Microsoft | Windows 10 Version 1909 | 10.0.0 |
| microsoft | windows_server_2012 | r2 |
| Microsoft | Windows Server 2012 | 6.2.0 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.0 |
| microsoft | windows_rt_8.1 | |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.0 |
| Microsoft | Windows 10 Version 1607 | 10.0.0 |
…and 14 more
Exploit Intelligence
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc-repo)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc-repo)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc-repo)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc-repo)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc-repo)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc)
- This is my attempt at fuzzing the tcpip.sys driver in windows via using scapy. This is inspired by this vulnerability here: https://doar-e.github.io/blog/2021/04/15/reverse-engineering-tcpipsys-mechanics-of-a-packet-of-the-death-cve-2021-24086/ (github-poc)
- lisinan988/CVE-2021-24086-exp (github-poc)
…and 11 more exploits
Timeline
- Feb 9, 2021 PoC Published
- Feb 10, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jul 15, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Sep 13, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Aug 28, 2024 PoC Published
- Dec 17, 2024 EPSS Score
- Mar 17, 2025 EPSS Score
- Mar 19, 2025 EPSS Score
- Mar 20, 2025 EPSS Score