CVE-2021-34478

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-2021-34478	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1024/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:office:2019:::::::*

History

21 Sep 2021, 19:41

Type	Values Removed	Values Added
References	~~(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1024/ -~~	(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1024/ - Third Party Advisory, VDB Entry

26 Aug 2021, 12:15

Type	Values Removed	Values Added
References		(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1024/ -

18 Aug 2021, 17:23

Type	Values Removed	Values Added
References	~~(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34478 -~~	(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34478 - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.8 v3 : 7.8
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:a:microsoft:office:2019:::::::* cpe:2.3:a:microsoft:365_apps:-::::enterprise:::

12 Aug 2021, 18:34

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-12 18:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-34478

Mitre link : CVE-2021-34478

CVE.ORG link : CVE-2021-34478

JSON object : View

Products Affected

microsoft

365_apps
office

CWE

NVD-CWE-noinfo

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