A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
Published 2020-01-14 23:15:33
Updated 2022-07-12 17:42:04
View at NVD,   CVE.org
Vulnerability category: Execute code

CVE-2020-0646 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft .NET Framework Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft .NET Framework contains an improper input validation vulnerability that allows for remote code execution.
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2020-0646

97.47%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2020-0646

  • SharePoint Workflows XOML Injection
    Disclosure Date: 2020-03-02
    First seen: 2020-04-26
    exploit/windows/http/sharepoint_workflows_xoml
    This module exploits a vulnerability within SharePoint and its .NET backend that allows an attacker to execute commands using specially crafted XOML data sent to SharePoint via the Workflows functionality. Authors: - Spencer McIntyre - Soroush Dalili

CVSS scores for CVE-2020-0646

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2020-0646

  • The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-0646

Products affected by CVE-2020-0646

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