CVE-2021-34451

Microsoft Office Online Server Spoofing Vulnerability

Description

Microsoft Office Online Server Spoofing Vulnerability

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.46%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft Office Online Server

References

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

Frequently Asked Questions

What is the severity of CVE-2021-34451?: CVE-2021-34451 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34451?: To fix CVE-2021-34451, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34451 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-34451 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34451?: CVE-2021-34451 affects Microsoft Microsoft Office Online Server.

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