cbcvebase.
CVE-2021-42309
published 2021-12-15

CVE-2021-42309: Microsoft SharePoint Server Remote Code Execution Vulnerability

PriorityP356high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
2.66%
84.0th percentile
Microsoft SharePoint Server Remote Code Execution Vulnerability

Affected

11 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_sharepoint_enterprise_server_2016>= 16.0.0 < 16.0.5254.100016.0.5254.1000
microsoftmicrosoft_sharepoint_foundation_2013_service_pack_1>= 15.0.0 < 15.0.5407.100015.0.5407.1000
microsoftmicrosoft_sharepoint_server_2019>= 16.0.0 < 16.0.10381.2000116.0.10381.20001
microsoftmicrosoft_sharepoint_server_subscription_edition>= 16.0.0 < 16.0.14326.2062016.0.14326.20620
microsoftsharepoint_enterprise_server
microsoftsharepoint_foundation
microsoftsharepoint_server
msrcmicrosoft_sharepoint_enterprise_server_2016
msrcmicrosoft_sharepoint_foundation_2013_service_pack_1
msrcmicrosoft_sharepoint_server_2019
msrcmicrosoft_sharepoint_server_subscription_edition

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.