Vulnerability Details : CVE-2021-1647
Microsoft Defender Remote Code Execution Vulnerability
Vulnerability category: Execute code
Products affected by CVE-2021-1647
- cpe:2.3:a:microsoft:windows_defender:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:security_essentials:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:system_center_endpoint_protection:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:-:*:*:*:*:*:*
- cpe:2.3:a:microsoft:system_center_endpoint_protection:2012:r2:*:*:*:*:*:*
CVE-2021-1647 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Defender Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2021-1647
Added on
2021-11-03
Action due date
2021-11-17
Exploit prediction scoring system (EPSS) score for CVE-2021-1647
21.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1647
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Microsoft Corporation |
References for CVE-2021-1647
-
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1647
CVE-2021-1647 - Security Update Guide - Microsoft - Microsoft Defender Remote Code Execution VulnerabilityPatch;Vendor Advisory
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1647
CVE-2021-1647 - Security Update Guide - Microsoft - Microsoft Defender Remote Code Execution VulnerabilityPatch;Vendor Advisory
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