CVE-2021-1647

Description from NVD

Microsoft Defender Remote Code Execution Vulnerability

Information Acquisition Date:2021-04-27T11:03Z
CVSS 2.0: 7.2 HIGH CVSS 3.x: 7.8 HIGH

▼ CVSS3 Vec CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

▼ CVSS2 Vec AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD References

 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647
     source:MISC
     tags:Patch    Vendor Advisory    

Description from Forti

MS Defender CVE-2021-1647 Remote Code Execution

This indicates an attack attempt to exploit an Heap Buffer Overflow Vulnerability in Windows Defender.The vulnerability is due to an error when the vulnerable software handles a maliciously crafted file. A remote attacker may be able to exploit this to execute arbitrary code, via a crafted file.

Information Acquisition Date:2021/02/01

Affected Products

Microsoft System Center Endpoint Protection
Microsoft System Center 2012 R2 Endpoint Protection
Microsoft Security Essentials
Microsoft System Center 2012 Endpoint Protection
Windows Defender on Windows 10 Version 1803 for 32-bit Systems
Windows Defender on Windows 10 Version 1803 for x64-based Systems
Windows Defender on Windows 10 Version 1803 for ARM64-based Systems
Windows Defender on Windows 10 Version 1809 for 32-bit Systems
Windows Defender on Windows 10 Version 1809 for x64-based Systems
Windows Defender on Windows 10 Version 1809 for ARM64-based Systems
Windows Defender on Windows Server 2019
Windows Defender on Windows Server 2019 (Server Core installation)
Windows Defender on Windows 10 Version 1909 for 32-bit Systems
Windows Defender on Windows 10 Version 1909 for x64-based Systems
Windows Defender on Windows 10 Version 1909 for ARM64-based Systems
Windows Defender on Windows Server, version 1909 (Server Core installation)
Windows Defender on Windows 10 Version 1903 for 32-bit Systems
Windows Defender on Windows 10 Version 1903 for x64-based Systems
Windows Defender on Windows 10 Version 1903 for ARM64-based Systems
Windows Defender on Windows Server, version 1903 (Server Core installation)
Windows Defender on Windows 10 Version 2004 for 32-bit Systems
Windows Defender on Windows 10 Version 2004 for ARM64-based Systems
Windows Defender on Windows 10 Version 2004 for x64-based Systems
Windows Defender on Windows Server, version 2004 (Server Core installation)
Windows Defender on Windows 10 Version 20H2 for x64-based Systems
Windows Defender on Windows 10 Version 20H2 for 32-bit Systems
Windows Defender on Windows 10 Version 20H2 for ARM64-based Systems
Windows Defender on Windows Server, version 20H2 (Server Core Installation)
Windows Defender on Windows 10 for 32-bit Systems
Windows Defender on Windows 10 for x64-based Systems
Windows Defender on Windows 10 Version 1607 for 32-bit Systems
Windows Defender on Windows 10 Version 1607 for x64-based Systems
Windows Defender on Windows Server 2016
Windows Defender on Windows Server 2016 (Server Core installation)
Windows Defender on Windows 7 for 32-bit Systems Service Pack 1
Windows Defender on Windows 7 for x64-based Systems Service Pack 1
Windows Defender on Windows 8.1 for 32-bit systems
Windows Defender on Windows 8.1 for x64-based systems
Windows Defender on Windows RT 8.1
Windows Defender on Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Defender on Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Defender on Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Defender on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Defender on Windows Server 2012
Windows Defender on Windows Server 2012 (Server Core installation)
Windows Defender on Windows Server 2012 R2
Windows Defender on Windows Server 2012 R2 (Server Core installation)

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647

References

Refer to Information on External Sites

CVE InfomationExploits or more Infomation
mitreEXPLOIT DATABASE
NVD0day.today
vulmon.comgithub
CVE DetailsTwitter
JVN ENG JPN
Reconshell

Software Tag: Windows(1 tweets)

List of frequently cited URLs

URLNum of Times Referred to
https://lists.astaro.com/ASGV9-IPS-rules.html18
https://thehackernews.com/2021/01/microsoft-issues-patches-...7
https://www.ipa.go.jp/security/ciadr/vul/20210113-ms.html5
https://news.mynavi.jp/article/20210114-1643866/5
https://googleprojectzero.github.io/0days-in-the-wild//0day...5
https://mspoweruser.com/windows-defender-cve-2021-1647/4
https://twitter.com/maddiestone/status/13490854647544094723
https://www.anquanke.com/post/id/2316253
https://msrc.microsoft.com/update-guide/en-US/vulnerability...3

Information from Twitter

User URL Info Source Date
codecancare https://googleprojectzero.github.io/0days-in-the-wild//0day... Source codecancare      1565354363912163328 2022/09/02

List of frequently cited URLs

URLNum of Times Referred to
lists.astaro.com18
thehackernews.com7
www.ipa.go.jp5
news.mynavi.jp5
googleprojectzero.github.io5
mspoweruser.com4
twitter.com3
www.anquanke.com3
msrc.microsoft.com3

Information from Twitter

User URL Info Source
codecancare googleprojectzero.github.io Show Tweet
GitHub Search Results: Up to 10
NameURL
dmlgzs/cve-2021-1647 https://github.com/dmlgzs/cve-2021-1647
GitHub Search Results: Up to 10
NameURL
dmlgzs/cve-2021-1647 github.com
2022/09/02 Score : 1
Added Har-sia Database : 2021/01/13
Last Modified : 2022/09/02
Highest Scored Date : 2021/01/13
Highest Score : 70