// For flags

CVE-2019-1296

Microsoft SharePoint Business Data Connectivity Service Deserialization of Untrusted Data Remote Code Execution Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-1257, CVE-2019-1295.

Se presenta una vulnerabilidad de ejecución de código remota en Microsoft SharePoint donde las API no están protegidas apropiadamente contra la entrada de datos no seguros, también se conoce como "Microsoft SharePoint Remote Code Execution Vulnerability". Este ID de CVE es diferente de CVE-2019-1257, CVE-2019-1295.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication as a high-privileged user is required to exploit this vulnerability.
The specific flaw exists within the Business Data Connectivity Service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the SharePoint application pool identity.

*Credits: Markus Wulftange (@mwulftange)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-11-26 CVE Reserved
  • 2019-09-10 CVE Published
  • 2023-07-01 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
 Sharepoint Enterprise Server
Search vendor "Microsoft" for product "Sharepoint Enterprise Server"
 2016
Search vendor "Microsoft" for product "Sharepoint Enterprise Server" and version "2016"
-
Affected
Microsoft
Search vendor "Microsoft"
 Sharepoint Foundation
Search vendor "Microsoft" for product "Sharepoint Foundation"
 2013
Search vendor "Microsoft" for product "Sharepoint Foundation" and version "2013"
sp1
Affected
Microsoft
Search vendor "Microsoft"
 Sharepoint Server
Search vendor "Microsoft" for product "Sharepoint Server"
 2019
Search vendor "Microsoft" for product "Sharepoint Server" and version "2019"
-
Affected