CVE-2021-31177

Microsoft Office 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-2021-31177	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-576/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:excel:2013:sp1::::::
	cpe:2.3:a:microsoft:excel:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:excel:2016:::::::*
	cpe:2.3:a:microsoft:office:2013:sp1::::::
	cpe:2.3:a:microsoft:office:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:office:2016:::::-::
	cpe:2.3:a:microsoft:office:2019:::::-::
	cpe:2.3:a:microsoft:office_online_server:-:::::::*
	cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1::::::
	cpe:2.3:a:microsoft:word:2013:sp1::::::
	cpe:2.3:a:microsoft:word:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:word:2016:::::::*

History

29 Dec 2023, 00:15

Type	Values Removed	Values Added
Summary	~~Microsoft Office Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31175, CVE-2021-31176, CVE-2021-31179.~~	Microsoft Office Remote Code Execution Vulnerability

Information

Published : 2021-05-11 19:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-31177

Mitre link : CVE-2021-31177

CVE.ORG link : CVE-2021-31177

JSON object : View

Products Affected

microsoft

excel
word
office_web_apps_server
365_apps
office_online_server
office

CWE

CWE-416

Use After Free

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