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Vulnerability Intelligence

CVE-2019-0604

CriticalExploitedPublic exploit

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'.

Published Mar 15, 2021 · Updated Oct 21, 2025 · Also known as TR-21-0231

Key Facts

Patch immediately
  • CVE-2019-0604 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Sharepoint Enterprise Server (Microsoft), Sharepoint Foundation (Microsoft), Sharepoint Server (Microsoft).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 10, 2019 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 100% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

100%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2019-0604 brief as a PDF

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Description

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-2019-0594.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021May 3, 2022Known
Industry KEV feedMay 10, 2019May 3, 2022Known
CIRCL KEVNov 3, 2021May 3, 2022Known
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

7 affected entries in total
ProductAffected versionsFixed in
Sharepoint Enterprise ServerMicrosoft2016, >= 2016n/a
Sharepoint FoundationMicrosoft2013-sp1, >= 2013 Service Pack 1n/a
Sharepoint ServerMicrosoft2010-sp2, 2019, >= 2010 Service Pack 2n/a

Timeline

  1. Added to Industry KEV feed

    May 10, 2019

  2. Publicly disclosed

    Mar 15, 2021

  3. Added to CISA KEV

    Nov 3, 2021

  4. Added to CIRCL KEV

    Nov 3, 2021

  5. Added to ENISA EUVD

    Nov 3, 2021

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-20 Improper Input Validation

References

15 more references in the full CVE brief

FAQ

Common Questions.

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