cbcvebase.
CVE-2019-0594
published 2019-03-05

CVE-2019-0594: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka…

PriorityP258high8.8CVSS 3.0
AVNACLPRLUINSUCHIHAH
EPSS
12.39%
95.8th percentile
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0604.

Affected

12 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_sharepoint_enterprise_server
microsoftmicrosoft_sharepoint_foundation
microsoftmicrosoft_sharepoint_server
microsoftmicrosoft_sharepoint_server
microsoftsharepoint_enterprise_server
microsoftsharepoint_foundation
microsoftsharepoint_server
microsoftsharepoint_server
msrcmicrosoft_sharepoint_enterprise_server_2016
msrcmicrosoft_sharepoint_foundation_2013_service_pack_1
msrcmicrosoft_sharepoint_server_2010_service_pack_2
msrcmicrosoft_sharepoint_server_2019

Detection & IOCsextracted from sources · hover to see the quote

  • Attacker must upload a specially crafted SharePoint application package to trigger the vulnerability; monitor for unusual or unauthorized application package uploads to SharePoint.
  • Successful exploitation results in code execution under the SharePoint application pool identity and the SharePoint server farm account; monitor these process/account contexts for anomalous activity.
  • The root cause is failure to check source markup of an application package; inspect SharePoint app package uploads for malicious markup as a detection/prevention control.
  • ·Exploitation requires the attacker to have sufficient SharePoint rights to upload an application package; this is not an unauthenticated attack vector.
  • ·At time of advisory publication, exploitation had not been observed in the wild and was rated 'Exploitation Less Likely' for both latest and older software releases.

CVSS provenance

nvdv3.08.8HIGHCVSS:3.0/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_msrc8.8CRITICAL
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.