Published: 25/02/2021 Updated: 03/03/2021

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Microsoft Windows TCP/IP Denial of Service Vulnerability. Exploitation is more likely.

Juohmaru 💬 CVE-2021-24086

POC and analysis of Windows IPv6 Fragmentation Vulnerability (CVE-2021-24086): https://blog.quarkslab.com/analysis-of-a-windows-ipv6-fragmentation-vulnerability-cve-2021-24086.html Another POC is here: https://github.com/0vercl0k/CVE-2021-24086

Vulnerable Product	Search on Vulmon	Subscribe to Product
microsoft windows 10 -
microsoft windows 10 20h2
microsoft windows 10 1607
microsoft windows 10 1803
microsoft windows 10 1809
microsoft windows 10 1909
microsoft windows 10 2004
microsoft windows 7 -
microsoft windows 8.1 -
microsoft windows rt 8.1 -
microsoft windows server 2008 -
microsoft windows server 2008 r2
microsoft windows server 2012 -
microsoft windows server 2012 r2
microsoft windows server 2016 -
microsoft windows server 2016 20h2
microsoft windows server 2016 1909
microsoft windows server 2016 2004
microsoft windows server 2019 -

CVE-2021-24086 This is a proof of concept for CVE-2021-24086 ("Windows TCP/IP Denial of Service Vulnerability "), a NULL dereference in tcpipsys patched by Microsoft in February 2021 It is triggerable remotely by sending malicious UDP packet over IPv6 You can read Microsoft's blog here: Multiple Security Updates Affecting TCP/IP:  CVE-2021-24074, CVE-2021-2

Purple Team - Set of techniques, tools and ideas related to Red & Blue Teams twittercom/MrUn1k0d3r/status/1143928885211537408?s=08 Copy your payload into %userprofile%\AppData\Local\Microsoft\Teams\current Then %userprofile%\AppData\Local\Microsoft\Teams\Updateexe --processStart payloadexe --process-start-args "whatever args" githubcom/foi-

Microsoft patches actively exploited Windows kernel flaw

welivesecurity • 10 Feb 2021

Yesterday was the second Tuesday of the month, which means that Microsoft is rolling out patches for security vulnerabilities found in Windows and its other products. This year’s second batch of security updates brings fixes for 56 vulnerabilities, including a zero-day flaw that is being actively exploited in the wild.
The elevation of privilege flaw vulnerability, tracked as CVE-2021-1732 and ranked as “important” on the Common Vulnerability Scoring System (CVSS) scale, resides in...

CVE-2021-24086

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