VulnerabilityModified

CVE-2021-34467

Microsoft SharePoint Server Remote Code Execution Vulnerability

HIGH 7.1EPSS 6.59%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS 3.1: 7.1 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS: 6.59% probability · 93th percentile
CISA KEV: Not listed
Affected: microsoft/sharepoint foundation · microsoft/sharepoint server
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34467
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34467Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.