CVE-2020-0932

Microsoft SharePoint TypeConverter Deserialization of Untrusted Data Remote Code Execution Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0971, CVE-2020-0974.

Hay una vulnerabilidad de ejecución de código remota en Microsoft SharePoint cuando el software falla al comprobar la marcación del origen de un paquete de aplicaciones, también se conoce como "Microsoft SharePoint Remote Code Execution Vulnerability". Este ID de CVE es diferente de CVE-2020-0920, CVE-2020-0929, CVE-2020-0931, CVE-2020-0971, CVE-2020-0974.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint Server. Authentication is required to exploit this vulnerability.
The specific flaw exists within the use of TypeConverter classes. 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 service at high integrity.

*Credits: Anonymous

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

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-04 CVE Reserved
2020-04-15 CVE Published
2024-02-03 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0932	2020-04-17

URL	Date	SRC

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