CVE-2021-38655

Microsoft Excel Remote Code Execution Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38655	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1080/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:excel:2013:::::::*
	cpe:2.3:a:microsoft:excel:2013:sp1::::::
	cpe:2.3:a:microsoft:excel:2016:::::::*
	cpe:2.3:a:microsoft:office:2019:::::::*
	cpe:2.3:a:microsoft:office:2019:::::macos::
	cpe:2.3:a:microsoft:office_online_server:-:::::::*
	cpe:2.3:a:microsoft:office_web_apps:2013:sp1::::::

History

03 Oct 2023, 15:37

Type	Values Removed	Values Added
CPE	cpe:2.3:a:microsoft:excel_2013_rt:-:sp1::::::	cpe:2.3:a:microsoft:excel:2013:::::::*

Information

Published : 2021-09-15 12:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-38655

Mitre link : CVE-2021-38655

CVE.ORG link : CVE-2021-38655

JSON object : View

Products Affected

microsoft

365_apps
office
excel
office_online_server
office_web_apps

CWE

CWE-416

Use After Free

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