CVE-2021-34451 : Microsoft Office Online Server Spoofing Vulnerability

Microsoft Office Online Server Spoofing Vulnerability

Published 2021-07-16 21:15:10

Updated 2023-12-28 23:15:28

View at NVD, CVE.org

Products affected by CVE-2021-34451

Microsoft » Office Online Server » Version: N/A
cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.46%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 63 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	Microsoft Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34451

CVE-2021-34451 - Security Update Guide - Microsoft - Microsoft Office Online Server Spoofing Vulnerability
Patch;Vendor Advisory

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